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137074823 = 143995257
BaseRepresentation
bin10000010101110…
…01100010000111
3100112221010022022
420022321202013
5240042343243
621333553355
73253055024
oct1012714207
9315833268
10137074823
1170414386
1239aa585b
1322524a82
14142c254b
15c079b68
hex82b9887

137074823 has 4 divisors (see below), whose sum is σ = 137171520. Its totient is φ = 136978128.

The previous prime is 137074813. The next prime is 137074837. The reversal of 137074823 is 328470731.

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 137074823 - 24 = 137074807 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (137074813) 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, 46190 + ... + 49067.

It is an arithmetic number, because the mean of its divisors is an integer number (34292880).

Almost surely, 2137074823 is an apocalyptic number.

137074823 is a deficient number, since it is larger than the sum of its proper divisors (96697).

137074823 is an equidigital number, since it uses as much as digits as its factorization.

137074823 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96696.

The product of its (nonzero) digits is 28224, while the sum is 35.

The square root of 137074823 is about 11707.8957545752. The cubic root of 137074823 is about 515.6075062960.

The spelling of 137074823 in words is "one hundred thirty-seven million, seventy-four thousand, eight hundred twenty-three".

Divisors: 1 1439 95257 137074823