157134219636 has 24 divisors (see below), whose sum is σ = 367497212544. Its totient is φ = 52256544640.

The previous prime is 157134219607. The next prime is 157134219679. The reversal of 157134219636 is 636912431751.

It is a super-2 number, since 2×157134219636² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15185685 + ... + 15196028.

It is an arithmetic number, because the mean of its divisors is an integer number (15312383856).

Almost surely, 2^157134219636 is an apocalyptic number.

It is an amenable number.

157134219636 is an abundant number, since it is smaller than the sum of its proper divisors (210362992908).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

157134219636 is a wasteful number, since it uses less digits than its factorization.

157134219636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30382151 (or 30382149 counting only the distinct ones).

The product of its digits is 816480, while the sum is 48.

The spelling of 157134219636 in words is "one hundred fifty-seven billion, one hundred thirty-four million, two hundred nineteen thousand, six hundred thirty-six".