131520034 has 16 divisors (see below), whose sum is σ = 198806400. Its totient is φ = 65253760.

The previous prime is 131520031. The next prime is 131520097. The reversal of 131520034 is 430025131.

It is a super-2 number, since 2×131520034² = 34595038686722312, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 131519993 and 131520020.

It is not an unprimeable number, because it can be changed into a prime (131520031) 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, 219267 + ... + 219865.

It is an arithmetic number, because the mean of its divisors is an integer number (12425400).

Almost surely, 2^131520034 is an apocalyptic number.

131520034 is a deficient number, since it is larger than the sum of its proper divisors (67286366).

131520034 is a wasteful number, since it uses less digits than its factorization.

131520034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1265.

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 131520034 is about 11468.2184318228. The cubic root of 131520034 is about 508.5464622966.

Adding to 131520034 its reverse (430025131), we get a palindrome (561545165).

The spelling of 131520034 in words is "one hundred thirty-one million, five hundred twenty thousand, thirty-four".