136827780 has 24 divisors (see below), whose sum is σ = 383117952. Its totient is φ = 36487392.

The previous prime is 136827749. The next prime is 136827827. The reversal of 136827780 is 87728631.

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, 1140172 + ... + 1140291.

It is an arithmetic number, because the mean of its divisors is an integer number (15963248).

Almost surely, 2^136827780 is an apocalyptic number.

136827780 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

136827780 is an abundant number, since it is smaller than the sum of its proper divisors (246290172).

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

136827780 is a wasteful number, since it uses less digits than its factorization.

136827780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2280475 (or 2280473 counting only the distinct ones).

The product of its (nonzero) digits is 112896, while the sum is 42.

The square root of 136827780 is about 11697.3407234294. The cubic root of 136827780 is about 515.2975689422.

The spelling of 136827780 in words is "one hundred thirty-six million, eight hundred twenty-seven thousand, seven hundred eighty".