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136846091 = 377946817
BaseRepresentation
bin10000010100000…
…01101100001011
3100112111111112202
420022001230023
5240013033331
621325030415
73251113124
oct1012015413
9315444482
10136846091
1170278548
12399b540b
1322474925
141426304b
15c031ecb
hex8281b0b

136846091 has 8 divisors (see below), whose sum is σ = 142326720. Its totient is φ = 131459328.

The previous prime is 136846079. The next prime is 136846097. The reversal of 136846091 is 190648631.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 136846091 - 26 = 136846027 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (136846097) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20486 + ... + 26331.

It is an arithmetic number, because the mean of its divisors is an integer number (17790840).

Almost surely, 2136846091 is an apocalyptic number.

136846091 is a deficient number, since it is larger than the sum of its proper divisors (5480629).

136846091 is an equidigital number, since it uses as much as digits as its factorization.

136846091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46933.

The product of its (nonzero) digits is 31104, while the sum is 38.

The square root of 136846091 is about 11698.1233965111. The cubic root of 136846091 is about 515.3205545107.

The spelling of 136846091 in words is "one hundred thirty-six million, eight hundred forty-six thousand, ninety-one".

Divisors: 1 37 79 2923 46817 1732229 3698543 136846091