131530135540400 has 60 divisors (see below), whose sum is σ = 316734332374944. Its totient is φ = 52489984416000.

The previous prime is 131530135540343. The next prime is 131530135540411. The reversal of 131530135540400 is 4045531035131.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 381295511 + ... + 381640310.

Almost surely, 2^{131530135540400} is an apocalyptic number.

131530135540400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131530135540400 is an abundant number, since it is smaller than the sum of its proper divisors (185204196834544).

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

131530135540400 is a wasteful number, since it uses less digits than its factorization.

131530135540400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 762936270 (or 762936259 counting only the distinct ones).

The product of its (nonzero) digits is 54000, while the sum is 35.

Adding to 131530135540400 its reverse (4045531035131), we get a palindrome (135575666575531).

The spelling of 131530135540400 in words is "one hundred thirty-one trillion, five hundred thirty billion, one hundred thirty-five million, five hundred forty thousand, four hundred".