131587430 has 32 divisors (see below), whose sum is σ = 255685248. Its totient is φ = 48470400.

The previous prime is 131587411. The next prime is 131587447. The reversal of 131587430 is 34785131.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 69395 + ... + 71265.

It is an arithmetic number, because the mean of its divisors is an integer number (7990164).

Almost surely, 2^131587430 is an apocalyptic number.

131587430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

131587430 is a deficient number, since it is larger than the sum of its proper divisors (124097818).

131587430 is a wasteful number, since it uses less digits than its factorization.

131587430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2432.

The product of its (nonzero) digits is 10080, while the sum is 32.

The square root of 131587430 is about 11471.1564369073. The cubic root of 131587430 is about 508.6333138166.

The spelling of 131587430 in words is "one hundred thirty-one million, five hundred eighty-seven thousand, four hundred thirty".