137499440272 has 10 divisors (see below), whose sum is σ = 266405165558. Its totient is φ = 68749720128.

The previous prime is 137499440263. The next prime is 137499440359. The reversal of 137499440272 is 272044994731.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 111104888976 + 26394551296 = 333324^2 + 162464^2 .

It is a super-2 number, since 2×137499440272² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4296857493 + ... + 4296857524.

Almost surely, 2^137499440272 is an apocalyptic number.

It is an amenable number.

137499440272 is a deficient number, since it is larger than the sum of its proper divisors (128905725286).

137499440272 is an equidigital number, since it uses as much as digits as its factorization.

137499440272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8593715025 (or 8593715019 counting only the distinct ones).

The product of its (nonzero) digits is 3048192, while the sum is 52.

The spelling of 137499440272 in words is "one hundred thirty-seven billion, four hundred ninety-nine million, four hundred forty thousand, two hundred seventy-two".