131432554 has 16 divisors (see below), whose sum is σ = 216769536. Its totient is φ = 59270400.

The previous prime is 131432513. The next prime is 131432599. The reversal of 131432554 is 455234131.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20727 + ... + 26314.

It is an arithmetic number, because the mean of its divisors is an integer number (13548096).

Almost surely, 2^131432554 is an apocalyptic number.

131432554 is a deficient number, since it is larger than the sum of its proper divisors (85336982).

131432554 is a wasteful number, since it uses less digits than its factorization.

131432554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47181.

The product of its digits is 7200, while the sum is 28.

The square root of 131432554 is about 11464.4037786533. The cubic root of 131432554 is about 508.4336847716.

Adding to 131432554 its reverse (455234131), we get a palindrome (586666685).

The spelling of 131432554 in words is "one hundred thirty-one million, four hundred thirty-two thousand, five hundred fifty-four".