136685157828 has 24 divisors (see below), whose sum is σ = 323424037440. Its totient is φ = 44920004640.

The previous prime is 136685157823. The next prime is 136685157839. The reversal of 136685157828 is 828751586631.

It is a super-3 number, since 3×136685157828³ (a number of 34 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (136685157821) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 80213443 + ... + 80215146.

It is an arithmetic number, because the mean of its divisors is an integer number (13476001560).

Almost surely, 2^136685157828 is an apocalyptic number.

It is an amenable number.

136685157828 is an abundant number, since it is smaller than the sum of its proper divisors (186738879612).

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

136685157828 is a wasteful number, since it uses less digits than its factorization.

136685157828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160428667 (or 160428665 counting only the distinct ones).

The product of its digits is 19353600, while the sum is 60.

The spelling of 136685157828 in words is "one hundred thirty-six billion, six hundred eighty-five million, one hundred fifty-seven thousand, eight hundred twenty-eight".