137743764 has 24 divisors (see below), whose sum is σ = 329242368. Its totient is φ = 44794560.

The previous prime is 137743717. The next prime is 137743799. The reversal of 137743764 is 467347731.

It is a congruent number.

It is an unprimeable number.

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, 139492 + ... + 140475.

It is an arithmetic number, because the mean of its divisors is an integer number (13718432).

Almost surely, 2^137743764 is an apocalyptic number.

It is an amenable number.

137743764 is an abundant number, since it is smaller than the sum of its proper divisors (191498604).

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

137743764 is a wasteful number, since it uses less digits than its factorization.

137743764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 280015 (or 280013 counting only the distinct ones).

The product of its digits is 296352, while the sum is 42.

The square root of 137743764 is about 11736.4289287670. The cubic root of 137743764 is about 516.4448870321. Note that the first 3 decimals are identical.

The spelling of 137743764 in words is "one hundred thirty-seven million, seven hundred forty-three thousand, seven hundred sixty-four".