131648942 has 16 divisors (see below), whose sum is σ = 201761280. Its totient is φ = 64405752.

The previous prime is 131648921. The next prime is 131648963. The reversal of 131648942 is 249846131.

It is an interprime number because it is at equal distance from previous prime (131648921) and next prime (131648963).

It is a junction number, because it is equal to n+sod(n) for n = 131648896 and 131648905.

It is a congruent number.

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, 23813 + ... + 28815.

It is an arithmetic number, because the mean of its divisors is an integer number (12610080).

Almost surely, 2^131648942 is an apocalyptic number.

131648942 is a deficient number, since it is larger than the sum of its proper divisors (70112338).

131648942 is a wasteful number, since it uses less digits than its factorization.

131648942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5287.

The product of its digits is 41472, while the sum is 38.

The square root of 131648942 is about 11473.8372831412. The cubic root of 131648942 is about 508.7125568935.

The spelling of 131648942 in words is "one hundred thirty-one million, six hundred forty-eight thousand, nine hundred forty-two".