131177140 has 48 divisors (see below), whose sum is σ = 292723200. Its totient is φ = 49237632.

The previous prime is 131177113. The next prime is 131177143. The reversal of 131177140 is 41771131.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131177143) 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, 39837 + ... + 43003.

It is an arithmetic number, because the mean of its divisors is an integer number (6098400).

Almost surely, 2^131177140 is an apocalyptic number.

131177140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 131177140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (146361600).

131177140 is an abundant number, since it is smaller than the sum of its proper divisors (161546060).

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

131177140 is a wasteful number, since it uses less digits than its factorization.

131177140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3304 (or 3302 counting only the distinct ones).

The product of its (nonzero) digits is 588, while the sum is 25.

The square root of 131177140 is about 11453.2589248650. The cubic root of 131177140 is about 508.1041233650.

The spelling of 131177140 in words is "one hundred thirty-one million, one hundred seventy-seven thousand, one hundred forty".