137565650 has 12 divisors (see below), whose sum is σ = 255872202. Its totient is φ = 55026240.

The previous prime is 137565629. The next prime is 137565697. The reversal of 137565650 is 56565731.

It can be written as a sum of positive squares in 3 ways, for example, as 117700801 + 19864849 = 10849^2 + 4457^2 .

It is a Curzon number.

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, 1375607 + ... + 1375706.

Almost surely, 2^137565650 is an apocalyptic number.

137565650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

137565650 is a deficient number, since it is larger than the sum of its proper divisors (118306552).

137565650 is a wasteful number, since it uses less digits than its factorization.

137565650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2751325 (or 2751320 counting only the distinct ones).

The product of its (nonzero) digits is 94500, while the sum is 38.

The square root of 137565650 is about 11728.8383909064. The cubic root of 137565650 is about 516.2221891305. Note that the first 3 decimals are identical.

The spelling of 137565650 in words is "one hundred thirty-seven million, five hundred sixty-five thousand, six hundred fifty".