151181136 has 60 divisors (see below), whose sum is σ = 447992532. Its totient is φ = 47428608.

The previous prime is 151181117. The next prime is 151181137. The reversal of 151181136 is 631181151.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 67568400 + 83612736 = 8220^2 + 9144^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (151181137) 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 11 ways as a sum of consecutive naturals, for example, 28431 + ... + 33326.

Almost surely, 2^151181136 is an apocalyptic number.

151181136 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

151181136 is an abundant number, since it is smaller than the sum of its proper divisors (296811396).

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

151181136 is a wasteful number, since it uses less digits than its factorization.

151181136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61788 (or 61779 counting only the distinct ones).

The product of its digits is 720, while the sum is 27.

The square root of 151181136 is about 12295.5738377678. The cubic root of 151181136 is about 532.7202448052.

The spelling of 151181136 in words is "one hundred fifty-one million, one hundred eighty-one thousand, one hundred thirty-six".