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137089831 is a prime number
BaseRepresentation
bin10000010101111…
…01001100100111
3100112221212220011
420022331030213
5240043333311
621334151051
73253146544
oct1012751447
9315855804
10137089831
117042468a
1239ab2487
132252b858
14142c7bcb
15c07e321
hex82bd327

137089831 has 2 divisors, whose sum is σ = 137089832. Its totient is φ = 137089830.

The previous prime is 137089829. The next prime is 137089861. The reversal of 137089831 is 138980731.

137089831 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 137089831 - 21 = 137089829 is a prime.

It is a super-2 number, since 2×1370898312 = 37587243527217122, which contains 22 as substring.

Together with 137089829, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (137089801) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68544915 + 68544916.

It is an arithmetic number, because the mean of its divisors is an integer number (68544916).

Almost surely, 2137089831 is an apocalyptic number.

137089831 is a deficient number, since it is larger than the sum of its proper divisors (1).

137089831 is an equidigital number, since it uses as much as digits as its factorization.

137089831 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36288, while the sum is 40.

The square root of 137089831 is about 11708.5366720184. The cubic root of 137089831 is about 515.6263231604.

The spelling of 137089831 in words is "one hundred thirty-seven million, eighty-nine thousand, eight hundred thirty-one".