131956950 has 24 divisors (see below), whose sum is σ = 327253608. Its totient is φ = 35188480.

The previous prime is 131956949. The next prime is 131956963. The reversal of 131956950 is 59659131.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 131956899 and 131956908.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 439707 + ... + 440006.

It is an arithmetic number, because the mean of its divisors is an integer number (13635567).

Almost surely, 2^131956950 is an apocalyptic number.

131956950 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

131956950 is an abundant number, since it is smaller than the sum of its proper divisors (195296658).

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

131956950 is a wasteful number, since it uses less digits than its factorization.

131956950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 879728 (or 879723 counting only the distinct ones).

The product of its (nonzero) digits is 36450, while the sum is 39.

The square root of 131956950 is about 11487.2516295239. The cubic root of 131956950 is about 509.1089786123.

The spelling of 131956950 in words is "one hundred thirty-one million, nine hundred fifty-six thousand, nine hundred fifty".