157134697 has 4 divisors (see below), whose sum is σ = 157394176. Its totient is φ = 156875220.

The previous prime is 157134661. The next prime is 157134707. The reversal of 157134697 is 796431751.

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, and also an emirpimes, since its reverse is a distinct semiprime: 796431751 = 317 ⋅2512403.

It is a cyclic number.

It is not a de Polignac number, because 157134697 - 2⁷ = 157134569 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (157134647) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 128829 + ... + 130042.

It is an arithmetic number, because the mean of its divisors is an integer number (39348544).

Almost surely, 2^157134697 is an apocalyptic number.

It is an amenable number.

157134697 is a deficient number, since it is larger than the sum of its proper divisors (259479).

157134697 is an equidigital number, since it uses as much as digits as its factorization.

157134697 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 259478.

The product of its digits is 158760, while the sum is 43.

The square root of 157134697 is about 12535.3379292303. The cubic root of 157134697 is about 539.6233049575.

The spelling of 157134697 in words is "one hundred fifty-seven million, one hundred thirty-four thousand, six hundred ninety-seven".