150657138 has 32 divisors (see below), whose sum is σ = 339798720. Its totient is φ = 49468320.

The previous prime is 150657131. The next prime is 150657161. The reversal of 150657138 is 831756051.

150657138 is a `hidden beast` number, since 1 + 50 + 6 + 571 + 38 = 666.

It is not an unprimeable number, because it can be changed into a prime (150657131) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17203 + ... + 24438.

It is an arithmetic number, because the mean of its divisors is an integer number (10618710).

Almost surely, 2^150657138 is an apocalyptic number.

150657138 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

150657138 is an abundant number, since it is smaller than the sum of its proper divisors (189141582).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

150657138 is a wasteful number, since it uses less digits than its factorization.

150657138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41719 (or 41713 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 36.

The square root of 150657138 is about 12274.2469422772. The cubic root of 150657138 is about 532.1040579801.

The spelling of 150657138 in words is "one hundred fifty million, six hundred fifty-seven thousand, one hundred thirty-eight".