137056357 has 4 divisors (see below), whose sum is σ = 139642380. Its totient is φ = 134470336.

The previous prime is 137056343. The next prime is 137056373. The reversal of 137056357 is 753650731.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 753650731 = 1499 ⋅502769.

It can be written as a sum of positive squares in 2 ways, for example, as 97101316 + 39955041 = 9854^2 + 6321^2 .

It is a cyclic number.

It is not a de Polignac number, because 137056357 - 2¹⁹ = 136532069 is a prime.

It is a super-2 number, since 2×137056357² = 37568889988222898, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (137056327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1292932 + ... + 1293037.

It is an arithmetic number, because the mean of its divisors is an integer number (34910595).

Almost surely, 2^137056357 is an apocalyptic number.

It is an amenable number.

137056357 is a deficient number, since it is larger than the sum of its proper divisors (2586023).

137056357 is an equidigital number, since it uses as much as digits as its factorization.

137056357 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2586022.

The product of its (nonzero) digits is 66150, while the sum is 37.

The square root of 137056357 is about 11707.1071149110. The cubic root of 137056357 is about 515.5843519448.

The spelling of 137056357 in words is "one hundred thirty-seven million, fifty-six thousand, three hundred fifty-seven".