131541807 has 32 divisors (see below), whose sum is σ = 193881600. Its totient is φ = 78959232.

The previous prime is 131541779. The next prime is 131541811. The reversal of 131541807 is 708145131.

It is not a de Polignac number, because 131541807 - 2⁶ = 131541743 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131541827) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 352473 + ... + 352845.

It is an arithmetic number, because the mean of its divisors is an integer number (6058800).

Almost surely, 2^131541807 is an apocalyptic number.

131541807 is a deficient number, since it is larger than the sum of its proper divisors (62339793).

131541807 is a wasteful number, since it uses less digits than its factorization.

131541807 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 687.

The product of its (nonzero) digits is 3360, while the sum is 30.

The square root of 131541807 is about 11469.1676681440. The cubic root of 131541807 is about 508.5745238546.

Adding to 131541807 its reverse (708145131), we get a palindrome (839686938).

The spelling of 131541807 in words is "one hundred thirty-one million, five hundred forty-one thousand, eight hundred seven".