137531763 has 20 divisors (see below), whose sum is σ = 205773568. Its totient is φ = 91542960.

The previous prime is 137531761. The next prime is 137531777. The reversal of 137531763 is 367135731.

It is a happy number.

It is not a de Polignac number, because 137531763 - 2¹ = 137531761 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (137531761) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 81870 + ... + 83532.

Almost surely, 2^137531763 is an apocalyptic number.

137531763 is a deficient number, since it is larger than the sum of its proper divisors (68241805).

137531763 is a wasteful number, since it uses less digits than its factorization.

137531763 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2696 (or 2687 counting only the distinct ones).

The product of its digits is 39690, while the sum is 36.

The square root of 137531763 is about 11727.3937002217. The cubic root of 137531763 is about 516.1797980784.

The spelling of 137531763 in words is "one hundred thirty-seven million, five hundred thirty-one thousand, seven hundred sixty-three".