131768380 has 24 divisors (see below), whose sum is σ = 288745632. Its totient is φ = 50415552.

The previous prime is 131768353. The next prime is 131768419. The reversal of 131768380 is 83867131.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 142767 + ... + 143686.

It is an arithmetic number, because the mean of its divisors is an integer number (12031068).

Almost surely, 2^131768380 is an apocalyptic number.

131768380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131768380 is an abundant number, since it is smaller than the sum of its proper divisors (156977252).

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

131768380 is a wasteful number, since it uses less digits than its factorization.

131768380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 286485 (or 286483 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 37.

The square root of 131768380 is about 11479.0409007025. The cubic root of 131768380 is about 508.8663529010.

The spelling of 131768380 in words is "one hundred thirty-one million, seven hundred sixty-eight thousand, three hundred eighty".