137428764 has 24 divisors (see below), whose sum is σ = 349819008. Its totient is φ = 41645040.

The previous prime is 137428763. The next prime is 137428769. The reversal of 137428764 is 467824731.

137428764 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (137428763) 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, 520432 + ... + 520695.

It is an arithmetic number, because the mean of its divisors is an integer number (14575792).

Almost surely, 2^137428764 is an apocalyptic number.

It is an amenable number.

137428764 is an abundant number, since it is smaller than the sum of its proper divisors (212390244).

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

137428764 is a wasteful number, since it uses less digits than its factorization.

137428764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1041145 (or 1041143 counting only the distinct ones).

The product of its digits is 225792, while the sum is 42.

The square root of 137428764 is about 11723.0014927919. The cubic root of 137428764 is about 516.0509083839.

The spelling of 137428764 in words is "one hundred thirty-seven million, four hundred twenty-eight thousand, seven hundred sixty-four".