131008378 has 16 divisors (see below), whose sum is σ = 198918720. Its totient is φ = 64705536.

The previous prime is 131008351. The next prime is 131008393. The reversal of 131008378 is 873800131.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 158001 + ... + 158827.

It is an arithmetic number, because the mean of its divisors is an integer number (12432420).

Almost surely, 2^131008378 is an apocalyptic number.

131008378 is a deficient number, since it is larger than the sum of its proper divisors (67910342).

131008378 is a wasteful number, since it uses less digits than its factorization.

131008378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1701.

The product of its (nonzero) digits is 4032, while the sum is 31.

The square root of 131008378 is about 11445.8891310374. The cubic root of 131008378 is about 507.8861345019.

The spelling of 131008378 in words is "one hundred thirty-one million, eight thousand, three hundred seventy-eight".