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139374 = 2332989
BaseRepresentation
bin100010000001101110
321002012000
4202001232
513424444
62553130
71120224
oct420156
9232160
10139374
1195794
12687a6
134b591
1438b14
152b469
hex2206e

139374 has 32 divisors (see below), whose sum is σ = 324000. Its totient is φ = 44352.

The previous prime is 139369. The next prime is 139387. The reversal of 139374 is 473931.

It is a super-2 number, since 2×1393742 = 38850223752, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 139374.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1522 + ... + 1610.

It is an arithmetic number, because the mean of its divisors is an integer number (10125).

2139374 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 139374, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (162000).

139374 is an abundant number, since it is smaller than the sum of its proper divisors (184626).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

139374 is a wasteful number, since it uses less digits than its factorization.

139374 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129 (or 123 counting only the distinct ones).

The product of its digits is 2268, while the sum is 27.

The square root of 139374 is about 373.3282737752. The cubic root of 139374 is about 51.8474324906.

The spelling of 139374 in words is "one hundred thirty-nine thousand, three hundred seventy-four".

Divisors: 1 2 3 6 9 18 27 29 54 58 87 89 174 178 261 267 522 534 783 801 1566 1602 2403 2581 4806 5162 7743 15486 23229 46458 69687 139374