150012138 has 16 divisors (see below), whose sum is σ = 301448736. Its totient is φ = 49766640.

The previous prime is 150012127. The next prime is 150012139. The reversal of 150012138 is 831210051.

It is not an unprimeable number, because it can be changed into a prime (150012139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57981 + ... + 60512.

It is an arithmetic number, because the mean of its divisors is an integer number (18840546).

Almost surely, 2^150012138 is an apocalyptic number.

150012138 is an abundant number, since it is smaller than the sum of its proper divisors (151436598).

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

150012138 is a wasteful number, since it uses less digits than its factorization.

150012138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118709.

The product of its (nonzero) digits is 240, while the sum is 21.

The square root of 150012138 is about 12247.9442356667. The cubic root of 150012138 is about 531.3436159267.

Adding to 150012138 its reverse (831210051), we get a palindrome (981222189).

The spelling of 150012138 in words is "one hundred fifty million, twelve thousand, one hundred thirty-eight".