151011138 has 32 divisors (see below), whose sum is σ = 305363520. Its totient is φ = 49784000.

The previous prime is 151011131. The next prime is 151011139. The reversal of 151011138 is 831110151.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (151011131) 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, 296428 + ... + 296936.

It is an arithmetic number, because the mean of its divisors is an integer number (9542610).

Almost surely, 2^151011138 is an apocalyptic number.

151011138 is an abundant number, since it is smaller than the sum of its proper divisors (154352382).

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

151011138 is a wasteful number, since it uses less digits than its factorization.

151011138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 962.

The product of its (nonzero) digits is 120, while the sum is 21.

The square root of 151011138 is about 12288.6589178803. The cubic root of 151011138 is about 532.5204947037.

Adding to 151011138 its reverse (831110151), we get a palindrome (982121289).

The spelling of 151011138 in words is "one hundred fifty-one million, eleven thousand, one hundred thirty-eight".