137424217272 has 32 divisors (see below), whose sum is σ = 343772584080. Its totient is φ = 45779800320.

The previous prime is 137424217213. The next prime is 137424217297. The reversal of 137424217272 is 272712424731.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1727293 + ... + 1805100.

Almost surely, 2^137424217272 is an apocalyptic number.

137424217272 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

137424217272 is an abundant number, since it is smaller than the sum of its proper divisors (206348366808).

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

137424217272 is a wasteful number, since it uses less digits than its factorization.

137424217272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3534023 (or 3534019 counting only the distinct ones).

The product of its digits is 263424, while the sum is 42.

The spelling of 137424217272 in words is "one hundred thirty-seven billion, four hundred twenty-four million, two hundred seventeen thousand, two hundred seventy-two".