44140131 has 36 divisors (see below), whose sum is σ = 74977344. Its totient is φ = 24948000.

The previous prime is 44140121. The next prime is 44140139. The reversal of 44140131 is 13104144.

It is not a de Polignac number, because 44140131 - 2⁵ = 44140099 is a prime.

It is a super-2 number, since 2×44140131² = 3896702329394322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (44140139) 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 35 ways as a sum of consecutive naturals, for example, 44046 + ... + 45036.

It is an arithmetic number, because the mean of its divisors is an integer number (2082704).

Almost surely, 2^44140131 is an apocalyptic number.

44140131 is a deficient number, since it is larger than the sum of its proper divisors (30837213).

44140131 is a wasteful number, since it uses less digits than its factorization.

44140131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1112 (or 1102 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 44140131 is about 6643.8039555664. The cubic root of 44140131 is about 353.4092176122.

Adding to 44140131 its reverse (13104144), we get a palindrome (57244275).

The spelling of 44140131 in words is "forty-four million, one hundred forty thousand, one hundred thirty-one".