40131154 has 16 divisors (see below), whose sum is σ = 72417600. Its totient is φ = 16293744.

The previous prime is 40131149. The next prime is 40131163. The reversal of 40131154 is 45113104.

It is a super-2 number, since 2×40131154² = 3221019042743432, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is an unprimeable number.

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, 75169 + ... + 75700.

It is an arithmetic number, because the mean of its divisors is an integer number (4526100).

Almost surely, 2^40131154 is an apocalyptic number.

40131154 is a deficient number, since it is larger than the sum of its proper divisors (32286446).

40131154 is a wasteful number, since it uses less digits than its factorization.

40131154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150897.

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 40131154 is about 6334.9154690493. The cubic root of 40131154 is about 342.3685651932.

Adding to 40131154 its reverse (45113104), we get a palindrome (85244258).

The spelling of 40131154 in words is "forty million, one hundred thirty-one thousand, one hundred fifty-four".