1420250156465 has 32 divisors (see below), whose sum is σ = 2051167000320. Its totient is φ = 922232196864.

The previous prime is 1420250156453. The next prime is 1420250156489. The reversal of 1420250156465 is 5646510520241.

It is a cyclic number.

It is not a de Polignac number, because 1420250156465 - 2¹⁴ = 1420250140081 is a prime.

It is a super-2 number, since 2×1420250156465² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1093727 + ... + 2009163.

It is an arithmetic number, because the mean of its divisors is an integer number (64098968760).

Almost surely, 2^{1420250156465} is an apocalyptic number.

It is an amenable number.

1420250156465 is a deficient number, since it is larger than the sum of its proper divisors (630916843855).

1420250156465 is a wasteful number, since it uses less digits than its factorization.

1420250156465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 917801.

The product of its (nonzero) digits is 288000, while the sum is 41.

The spelling of 1420250156465 in words is "one trillion, four hundred twenty billion, two hundred fifty million, one hundred fifty-six thousand, four hundred sixty-five".