131571707 has 8 divisors (see below), whose sum is σ = 137415840. Its totient is φ = 125737920.

The previous prime is 131571689. The next prime is 131571731. The reversal of 131571707 is 707175131.

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 131571707 - 2¹⁶ = 131506171 is a prime.

It is a super-2 number, since 2×131571707² = 34622228165787698, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131571757) 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, 35519 + ... + 39047.

It is an arithmetic number, because the mean of its divisors is an integer number (17176980).

Almost surely, 2^131571707 is an apocalyptic number.

131571707 is a deficient number, since it is larger than the sum of its proper divisors (5844133).

131571707 is a wasteful number, since it uses less digits than its factorization.

131571707 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5173.

The product of its (nonzero) digits is 5145, while the sum is 32.

The square root of 131571707 is about 11470.4710888437. The cubic root of 131571707 is about 508.6130546370.

The spelling of 131571707 in words is "one hundred thirty-one million, five hundred seventy-one thousand, seven hundred seven".