131252420554000 has 40 divisors (see below), whose sum is σ = 317368352904408. Its totient is φ = 52500968220800.

The previous prime is 131252420553979. The next prime is 131252420554009. The reversal of 131252420554000 is 455024252131.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 10810838784256 + 120441581769744 = 3287984^2 + 10974588^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-3 number, since 3×131252420554000³ (a number of 43 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (131252420554009) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32813103139 + ... + 32813107138.

Almost surely, 2^{131252420554000} is an apocalyptic number.

131252420554000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131252420554000 is an abundant number, since it is smaller than the sum of its proper divisors (186115932350408).

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

131252420554000 is an equidigital number, since it uses as much as digits as its factorization.

131252420554000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65626210300 (or 65626210284 counting only the distinct ones).

The product of its (nonzero) digits is 48000, while the sum is 34.

The spelling of 131252420554000 in words is "one hundred thirty-one trillion, two hundred fifty-two billion, four hundred twenty million, five hundred fifty-four thousand".