131332734 has 24 divisors (see below), whose sum is σ = 306443592. Its totient is φ = 40410000.

The previous prime is 131332727. The next prime is 131332741. The reversal of 131332734 is 437233131.

It is an interprime number because it is at equal distance from previous prime (131332727) and next prime (131332741).

It is a junction number, because it is equal to n+sod(n) for n = 131332698 and 131332707.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 280392 + ... + 280859.

It is an arithmetic number, because the mean of its divisors is an integer number (12768483).

Almost surely, 2^131332734 is an apocalyptic number.

131332734 is an abundant number, since it is smaller than the sum of its proper divisors (175110858).

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

131332734 is a wasteful number, since it uses less digits than its factorization.

131332734 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 561272 (or 561269 counting only the distinct ones).

The product of its digits is 4536, while the sum is 27.

The square root of 131332734 is about 11460.0494763330. The cubic root of 131332734 is about 508.3049376118.

Adding to 131332734 its reverse (437233131), we get a palindrome (568565865).

The spelling of 131332734 in words is "one hundred thirty-one million, three hundred thirty-two thousand, seven hundred thirty-four".