131502452 has 12 divisors (see below), whose sum is σ = 233042880. Its totient is φ = 64918776.

The previous prime is 131502409. The next prime is 131502499. The reversal of 131502452 is 254205131.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 207758 + ... + 208389.

It is an arithmetic number, because the mean of its divisors is an integer number (19420240).

Almost surely, 2^131502452 is an apocalyptic number.

It is an amenable number.

131502452 is a deficient number, since it is larger than the sum of its proper divisors (101540428).

131502452 is a wasteful number, since it uses less digits than its factorization.

131502452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 416230 (or 416228 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 131502452 is about 11467.4518529619. The cubic root of 131502452 is about 508.5237999384.

Adding to 131502452 its reverse (254205131), we get a palindrome (385707583).

The spelling of 131502452 in words is "one hundred thirty-one million, five hundred two thousand, four hundred fifty-two".