1351637640144 has 60 divisors (see below), whose sum is σ = 4126590678912. Its totient is φ = 409587163200.

The previous prime is 1351637640121. The next prime is 1351637640149. The reversal of 1351637640144 is 4410467361531.

1351637640144 is a `hidden beast` number, since 1 + 3 + 5 + 1 + 637 + 6 + 4 + 0 + 1 + 4 + 4 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 1351637640144.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1351637640149) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 426651712 + ... + 426654879.

Almost surely, 2^{1351637640144} is an apocalyptic number.

It is an amenable number.

1351637640144 is an abundant number, since it is smaller than the sum of its proper divisors (2774953038768).

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

1351637640144 is a wasteful number, since it uses less digits than its factorization.

1351637640144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 853306616 (or 853306607 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 45.

The spelling of 1351637640144 in words is "one trillion, three hundred fifty-one billion, six hundred thirty-seven million, six hundred forty thousand, one hundred forty-four".