157133678 has 8 divisors (see below), whose sum is σ = 253831368. Its totient is φ = 72523224.

The previous prime is 157133663. The next prime is 157133681. The reversal of 157133678 is 876331751.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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, 3021776 + ... + 3021827.

It is an arithmetic number, because the mean of its divisors is an integer number (31728921).

Almost surely, 2^157133678 is an apocalyptic number.

157133678 is a deficient number, since it is larger than the sum of its proper divisors (96697690).

157133678 is a wasteful number, since it uses less digits than its factorization.

157133678 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6043618.

The product of its digits is 105840, while the sum is 41.

The square root of 157133678 is about 12535.2972840695. The cubic root of 157133678 is about 539.6221384905.

It can be divided in two parts, 15713 and 3678, that added together give a palindrome (19391).

The spelling of 157133678 in words is "one hundred fifty-seven million, one hundred thirty-three thousand, six hundred seventy-eight".