131041990 has 16 divisors (see below), whose sum is σ = 236203200. Its totient is φ = 52344000.

The previous prime is 131041973. The next prime is 131042003. The reversal of 131041990 is 99140131.

It is a happy number.

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, 1215 + ... + 16234.

It is an arithmetic number, because the mean of its divisors is an integer number (14762700).

Almost surely, 2^131041990 is an apocalyptic number.

131041990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

131041990 is a deficient number, since it is larger than the sum of its proper divisors (105161210).

131041990 is a wasteful number, since it uses less digits than its factorization.

131041990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18207.

The product of its (nonzero) digits is 972, while the sum is 28.

The square root of 131041990 is about 11447.3573369577. The cubic root of 131041990 is about 507.9295658439.

The spelling of 131041990 in words is "one hundred thirty-one million, forty-one thousand, nine hundred ninety".