137502706 has 12 divisors (see below), whose sum is σ = 226709406. Its totient is φ = 62501120.

The previous prime is 137502661. The next prime is 137502719. The reversal of 137502706 is 607205731.

137502706 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 115025625 + 22477081 = 10725^2 + 4741^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 283855 + ... + 284338.

Almost surely, 2^137502706 is an apocalyptic number.

137502706 is a deficient number, since it is larger than the sum of its proper divisors (89206700).

137502706 is a wasteful number, since it uses less digits than its factorization.

137502706 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 568217 (or 568206 counting only the distinct ones).

The product of its (nonzero) digits is 8820, while the sum is 31.

The square root of 137502706 is about 11726.1547832186. The cubic root of 137502706 is about 516.1434435848.

The spelling of 137502706 in words is "one hundred thirty-seven million, five hundred two thousand, seven hundred six".