137213452 has 6 divisors (see below), whose sum is σ = 240123548. Its totient is φ = 68606724.

The previous prime is 137213437. The next prime is 137213507. The reversal of 137213452 is 254312731.

It is a self number, because there is not a number n which added to its sum of digits gives 137213452.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17151678 + ... + 17151685.

Almost surely, 2^137213452 is an apocalyptic number.

It is an amenable number.

137213452 is a deficient number, since it is larger than the sum of its proper divisors (102910096).

137213452 is a wasteful number, since it uses less digits than its factorization.

137213452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34303367 (or 34303365 counting only the distinct ones).

The product of its digits is 5040, while the sum is 28.

The square root of 137213452 is about 11713.8145793759. The cubic root of 137213452 is about 515.7812655825.

The spelling of 137213452 in words is "one hundred thirty-seven million, two hundred thirteen thousand, four hundred fifty-two".