1406465031321 has 24 divisors (see below), whose sum is σ = 2343482466624. Its totient is φ = 796183138080.

The previous prime is 1406465031319. The next prime is 1406465031401. The reversal of 1406465031321 is 1231305646041.

1406465031321 is a `hidden beast` number, since 1 + 4 + 0 + 646 + 5 + 0 + 3 + 1 + 3 + 2 + 1 = 666.

It is not a de Polignac number, because 1406465031321 - 2¹ = 1406465031319 is a prime.

It is a super-2 number, since 2×1406465031321² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1406461031321) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 104314950 + ... + 104328431.

It is an arithmetic number, because the mean of its divisors is an integer number (97645102776).

Almost surely, 2^{1406465031321} is an apocalyptic number.

It is an amenable number.

1406465031321 is a deficient number, since it is larger than the sum of its proper divisors (937017435303).

1406465031321 is a wasteful number, since it uses less digits than its factorization.

1406465031321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 208643501 (or 208643498 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

The spelling of 1406465031321 in words is "one trillion, four hundred six billion, four hundred sixty-five million, thirty-one thousand, three hundred twenty-one".