131620514 has 8 divisors (see below), whose sum is σ = 198985728. Its totient is φ = 65291940.

The previous prime is 131620469. The next prime is 131620523. The reversal of 131620514 is 415026131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 131620514.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 258842 + ... + 259349.

It is an arithmetic number, because the mean of its divisors is an integer number (24873216).

Almost surely, 2^131620514 is an apocalyptic number.

131620514 is a deficient number, since it is larger than the sum of its proper divisors (67365214).

131620514 is a wasteful number, since it uses less digits than its factorization.

131620514 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 518320.

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 131620514 is about 11472.5983979219. The cubic root of 131620514 is about 508.6759374788.

Adding to 131620514 its reverse (415026131), we get a palindrome (546646645).

The spelling of 131620514 in words is "one hundred thirty-one million, six hundred twenty thousand, five hundred fourteen".