131434004 has 36 divisors (see below), whose sum is σ = 263737404. Its totient is φ = 57088512.

The previous prime is 131433997. The next prime is 131434019. The reversal of 131434004 is 400434131.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 15225604 + 116208400 = 3902^2 + 10780^2 .

It is a congruent number.

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 11 ways as a sum of consecutive naturals, for example, 5774 + ... + 17210.

It is an arithmetic number, because the mean of its divisors is an integer number (7326039).

Almost surely, 2^131434004 is an apocalyptic number.

It is an amenable number.

131434004 is an abundant number, since it is smaller than the sum of its proper divisors (132303400).

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

131434004 is a wasteful number, since it uses less digits than its factorization.

131434004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11484 (or 11469 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 131434004 is about 11464.4670177030. The cubic root of 131434004 is about 508.4355544914.

Adding to 131434004 its reverse (400434131), we get a palindrome (531868135).

The spelling of 131434004 in words is "one hundred thirty-one million, four hundred thirty-four thousand, four".