137745764 has 24 divisors (see below), whose sum is σ = 274870008. Its totient is φ = 59834880.

The previous prime is 137745761. The next prime is 137745791. The reversal of 137745764 is 467547731.

It can be written as a sum of positive squares in 4 ways, for example, as 41705764 + 96040000 = 6458^2 + 9800^2 .

It is not an unprimeable number, because it can be changed into a prime (137745761) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 77027 + ... + 78794.

It is an arithmetic number, because the mean of its divisors is an integer number (11452917).

Almost surely, 2^137745764 is an apocalyptic number.

It is an amenable number.

137745764 is a deficient number, since it is larger than the sum of its proper divisors (137124244).

137745764 is a wasteful number, since it uses less digits than its factorization.

137745764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155855 (or 155853 counting only the distinct ones).

The product of its digits is 493920, while the sum is 44.

The square root of 137745764 is about 11736.5141332510. The cubic root of 137745764 is about 516.4473865640.

The spelling of 137745764 in words is "one hundred thirty-seven million, seven hundred forty-five thousand, seven hundred sixty-four".