1400136501321 has 12 divisors (see below), whose sum is σ = 2087658726400. Its totient is φ = 903313871640.

The previous prime is 1400136501317. The next prime is 1400136501343. The reversal of 1400136501321 is 1231056310041.

It is a happy number.

1400136501321 is a `hidden beast` number, since 1 + 4 + 0 + 0 + 1 + 3 + 650 + 1 + 3 + 2 + 1 = 666.

It is not a de Polignac number, because 1400136501321 - 2² = 1400136501317 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1400136501301) 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, 2509204921 + ... + 2509205478.

Almost surely, 2^{1400136501321} is an apocalyptic number.

It is an amenable number.

1400136501321 is a deficient number, since it is larger than the sum of its proper divisors (687522225079).

1400136501321 is a wasteful number, since it uses less digits than its factorization.

1400136501321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5018410436 (or 5018410433 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The spelling of 1400136501321 in words is "one trillion, four hundred billion, one hundred thirty-six million, five hundred one thousand, three hundred twenty-one".