136681234780 has 48 divisors (see below), whose sum is σ = 291886880544. Its totient is φ = 53748414720.

The previous prime is 136681234777. The next prime is 136681234831. The reversal of 136681234780 is 87432186631.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2415694 + ... + 2471626.

It is an arithmetic number, because the mean of its divisors is an integer number (6080976678).

Almost surely, 2^136681234780 is an apocalyptic number.

136681234780 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

136681234780 is an abundant number, since it is smaller than the sum of its proper divisors (155205645764).

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

136681234780 is a wasteful number, since it uses less digits than its factorization.

136681234780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58006 (or 58004 counting only the distinct ones).

The product of its (nonzero) digits is 1161216, while the sum is 49.

The spelling of 136681234780 in words is "one hundred thirty-six billion, six hundred eighty-one million, two hundred thirty-four thousand, seven hundred eighty".