137984733 has 12 divisors (see below), whose sum is σ = 211035708. Its totient is φ = 86578560.

The previous prime is 137984723. The next prime is 137984753. The reversal of 137984733 is 337489731.

It can be written as a sum of positive squares in 2 ways, for example, as 122279364 + 15705369 = 11058^2 + 3963^2 .

It is not a de Polignac number, because 137984733 - 2⁵ = 137984701 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (137984723) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 450778 + ... + 451083.

It is an arithmetic number, because the mean of its divisors is an integer number (17586309).

Almost surely, 2^137984733 is an apocalyptic number.

It is an amenable number.

137984733 is a deficient number, since it is larger than the sum of its proper divisors (73050975).

137984733 is a wasteful number, since it uses less digits than its factorization.

137984733 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 901884 (or 901881 counting only the distinct ones).

The product of its digits is 381024, while the sum is 45.

The square root of 137984733 is about 11746.6902998249. The cubic root of 137984733 is about 516.7458678908.

The spelling of 137984733 in words is "one hundred thirty-seven million, nine hundred eighty-four thousand, seven hundred thirty-three".