131412534 has 48 divisors (see below), whose sum is σ = 298260480. Its totient is φ = 38530800.

The previous prime is 131412521. The next prime is 131412557. The reversal of 131412534 is 435214131.

It is a happy number.

131412534 is an esthetic number in base 6, because in such base its adjacent digits differ by 1.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 19587 + ... + 25425.

It is an arithmetic number, because the mean of its divisors is an integer number (6213760).

Almost surely, 2^131412534 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 131412534, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (149130240).

131412534 is an abundant number, since it is smaller than the sum of its proper divisors (166847946).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

131412534 is a wasteful number, since it uses less digits than its factorization.

131412534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5897 (or 5886 counting only the distinct ones).

The product of its digits is 1440, while the sum is 24.

The square root of 131412534 is about 11463.5306079759. The cubic root of 131412534 is about 508.4078683385.

Adding to 131412534 its reverse (435214131), we get a palindrome (566626665).

The spelling of 131412534 in words is "one hundred thirty-one million, four hundred twelve thousand, five hundred thirty-four".