193952157 has 16 divisors (see below), whose sum is σ = 295882752. Its totient is φ = 110703600.

The previous prime is 193952147. The next prime is 193952173. The reversal of 193952157 is 751259391.

It is not a de Polignac number, because 193952157 - 2²² = 189757853 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (193952137) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15532 + ... + 25082.

It is an arithmetic number, because the mean of its divisors is an integer number (18492672).

Almost surely, 2^193952157 is an apocalyptic number.

It is an amenable number.

193952157 is a deficient number, since it is larger than the sum of its proper divisors (101930595).

193952157 is an equidigital number, since it uses as much as digits as its factorization.

193952157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10528.

The product of its digits is 85050, while the sum is 42.

The square root of 193952157 is about 13926.6707076745. The cubic root of 193952157 is about 578.8484454534.

The spelling of 193952157 in words is "one hundred ninety-three million, nine hundred fifty-two thousand, one hundred fifty-seven".