131900838 has 16 divisors (see below), whose sum is σ = 264743856. Its totient is φ = 43809920.

The previous prime is 131900833. The next prime is 131900843. The reversal of 131900838 is 838009131.

It is an interprime number because it is at equal distance from previous prime (131900833) and next prime (131900843).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 131900799 and 131900808.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131900833) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37431 + ... + 40802.

It is an arithmetic number, because the mean of its divisors is an integer number (16546491).

Almost surely, 2^131900838 is an apocalyptic number.

131900838 is an abundant number, since it is smaller than the sum of its proper divisors (132843018).

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

131900838 is a wasteful number, since it uses less digits than its factorization.

131900838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78519.

The product of its (nonzero) digits is 5184, while the sum is 33.

The square root of 131900838 is about 11484.8090101664. The cubic root of 131900838 is about 509.0368056469.

Adding to 131900838 its reverse (838009131), we get a palindrome (969909969).

The spelling of 131900838 in words is "one hundred thirty-one million, nine hundred thousand, eight hundred thirty-eight".