131510140 has 12 divisors (see below), whose sum is σ = 276171336. Its totient is φ = 52604048.

The previous prime is 131510131. The next prime is 131510143. The reversal of 131510140 is 41015131.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131510143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3287734 + ... + 3287773.

It is an arithmetic number, because the mean of its divisors is an integer number (23014278).

Almost surely, 2^131510140 is an apocalyptic number.

131510140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131510140 is an abundant number, since it is smaller than the sum of its proper divisors (144661196).

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

131510140 is a wasteful number, since it uses less digits than its factorization.

131510140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6575516 (or 6575514 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 16.

The square root of 131510140 is about 11467.7870576672. The cubic root of 131510140 is about 508.5337096517.

Adding to 131510140 its reverse (41015131), we get a palindrome (172525271).

The spelling of 131510140 in words is "one hundred thirty-one million, five hundred ten thousand, one hundred forty".