131481707 has 8 divisors (see below), whose sum is σ = 151670016. Its totient is φ = 111644712.

The previous prime is 131481673. The next prime is 131481709. The reversal of 131481707 is 707184131.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 131481707 - 2⁶ = 131481643 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131481709) 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, 87023 + ... + 88520.

It is an arithmetic number, because the mean of its divisors is an integer number (18958752).

Almost surely, 2^131481707 is an apocalyptic number.

131481707 is a deficient number, since it is larger than the sum of its proper divisors (20188309).

131481707 is a wasteful number, since it uses less digits than its factorization.

131481707 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175657.

The product of its (nonzero) digits is 4704, while the sum is 32.

The square root of 131481707 is about 11466.5473007353. The cubic root of 131481707 is about 508.4970580264.

The spelling of 131481707 in words is "one hundred thirty-one million, four hundred eighty-one thousand, seven hundred seven".