137278052 has 6 divisors (see below), whose sum is σ = 240236598. Its totient is φ = 68639024.

The previous prime is 137278051. The next prime is 137278061. The reversal of 137278052 is 250872731.

It can be written as a sum of positive squares in only one way, i.e., 136796416 + 481636 = 11696^2 + 694^2 .

It is not an unprimeable number, because it can be changed into a prime (137278051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17159753 + ... + 17159760.

It is an arithmetic number, because the mean of its divisors is an integer number (40039433).

Almost surely, 2^137278052 is an apocalyptic number.

It is an amenable number.

137278052 is a deficient number, since it is larger than the sum of its proper divisors (102958546).

137278052 is a wasteful number, since it uses less digits than its factorization.

137278052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34319517 (or 34319515 counting only the distinct ones).

The product of its (nonzero) digits is 23520, while the sum is 35.

The square root of 137278052 is about 11716.5716828772. The cubic root of 137278052 is about 515.8621960397.

The spelling of 137278052 in words is "one hundred thirty-seven million, two hundred seventy-eight thousand, fifty-two".