138114650 has 48 divisors (see below), whose sum is σ = 266467320. Its totient is φ = 53222400.

The previous prime is 138114649. The next prime is 138114677. The reversal of 138114650 is 56411831.

It can be written as a sum of positive squares in 12 ways, for example, as 2601769 + 135512881 = 1613^2 + 11641^2 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 182072 + ... + 182828.

Almost surely, 2^138114650 is an apocalyptic number.

138114650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

138114650 is a deficient number, since it is larger than the sum of its proper divisors (128352670).

138114650 is a wasteful number, since it uses less digits than its factorization.

138114650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 899 (or 894 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 29.

The square root of 138114650 is about 11752.2189394174. The cubic root of 138114650 is about 516.9079945572.

The spelling of 138114650 in words is "one hundred thirty-eight million, one hundred fourteen thousand, six hundred fifty".