131413534 has 16 divisors (see below), whose sum is σ = 226666368. Its totient is φ = 55973592.

The previous prime is 131413531. The next prime is 131413613. The reversal of 131413534 is 435314131.

It is a junction number, because it is equal to n+sod(n) for n = 131413499 and 131413508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131413531) 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, 26512 + ... + 31075.

It is an arithmetic number, because the mean of its divisors is an integer number (14166648).

Almost surely, 2^131413534 is an apocalyptic number.

131413534 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

131413534 is a deficient number, since it is larger than the sum of its proper divisors (95252834).

131413534 is a wasteful number, since it uses less digits than its factorization.

131413534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57759.

The product of its digits is 2160, while the sum is 25.

The square root of 131413534 is about 11463.5742244729. The cubic root of 131413534 is about 508.4091579328.

Adding to 131413534 its reverse (435314131), we get a palindrome (566727665).

The spelling of 131413534 in words is "one hundred thirty-one million, four hundred thirteen thousand, five hundred thirty-four".