136920824 has 8 divisors (see below), whose sum is σ = 256726560. Its totient is φ = 68460408.

The previous prime is 136920811. The next prime is 136920827. The reversal of 136920824 is 428029631.

136920824 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136920827) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8557544 + ... + 8557559.

It is an arithmetic number, because the mean of its divisors is an integer number (32090820).

Almost surely, 2^136920824 is an apocalyptic number.

It is an amenable number.

136920824 is a deficient number, since it is larger than the sum of its proper divisors (119805736).

136920824 is a wasteful number, since it uses less digits than its factorization.

136920824 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17115109 (or 17115105 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 35.

The square root of 136920824 is about 11701.3171908123. The cubic root of 136920824 is about 515.4143446520.

The spelling of 136920824 in words is "one hundred thirty-six million, nine hundred twenty thousand, eight hundred twenty-four".