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137166139 = 1112469649
BaseRepresentation
bin10000010110011…
…11110100111011
3100120002202120101
420023033310323
5240103304024
621335540231
73253615165
oct1013176473
9316082511
10137166139
1170476a50
1239b2a677
13225574c6
1414307935
15c096c44
hex82cfd3b

137166139 has 4 divisors (see below), whose sum is σ = 149635800. Its totient is φ = 124696480.

The previous prime is 137166137. The next prime is 137166167. The reversal of 137166139 is 931661731.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 137166139 - 21 = 137166137 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 137166098 and 137166107.

It is not an unprimeable number, because it can be changed into a prime (137166131) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6234814 + ... + 6234835.

It is an arithmetic number, because the mean of its divisors is an integer number (37408950).

Almost surely, 2137166139 is an apocalyptic number.

137166139 is a deficient number, since it is larger than the sum of its proper divisors (12469661).

137166139 is a wasteful number, since it uses less digits than its factorization.

137166139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12469660.

The product of its digits is 20412, while the sum is 37.

The square root of 137166139 is about 11711.7948667145. The cubic root of 137166139 is about 515.7219760497.

The spelling of 137166139 in words is "one hundred thirty-seven million, one hundred sixty-six thousand, one hundred thirty-nine".

Divisors: 1 11 12469649 137166139