137557097 has 4 divisors (see below), whose sum is σ = 139610256. Its totient is φ = 135503940.

The previous prime is 137557073. The next prime is 137557099. The reversal of 137557097 is 790755731.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 137557097 - 2¹⁰ = 137556073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (137557099) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1026479 + ... + 1026612.

It is an arithmetic number, because the mean of its divisors is an integer number (34902564).

Almost surely, 2^137557097 is an apocalyptic number.

It is an amenable number.

137557097 is a deficient number, since it is larger than the sum of its proper divisors (2053159).

137557097 is an equidigital number, since it uses as much as digits as its factorization.

137557097 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2053158.

The product of its (nonzero) digits is 231525, while the sum is 44.

The square root of 137557097 is about 11728.4737711264. The cubic root of 137557097 is about 516.2114903843.

The spelling of 137557097 in words is "one hundred thirty-seven million, five hundred fifty-seven thousand, ninety-seven".