131421958 has 16 divisors (see below), whose sum is σ = 203808384. Its totient is φ = 63492480.

The previous prime is 131421949. The next prime is 131421967. The reversal of 131421958 is 859124131.

It is an interprime number because it is at equal distance from previous prime (131421949) and next prime (131421967).

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, 53166 + ... + 55582.

It is an arithmetic number, because the mean of its divisors is an integer number (12738024).

Almost surely, 2^131421958 is an apocalyptic number.

131421958 is a deficient number, since it is larger than the sum of its proper divisors (72386426).

131421958 is a wasteful number, since it uses less digits than its factorization.

131421958 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3327.

The product of its digits is 8640, while the sum is 34.

The square root of 131421958 is about 11463.9416432569. The cubic root of 131421958 is about 508.4200212158.

The spelling of 131421958 in words is "one hundred thirty-one million, four hundred twenty-one thousand, nine hundred fifty-eight".