140420515263 has 32 divisors (see below), whose sum is σ = 214501727232. Its totient is φ = 80042688000.

The previous prime is 140420515259. The next prime is 140420515273. The reversal of 140420515263 is 362515024041.

It is not a de Polignac number, because 140420515263 - 2² = 140420515259 is a prime.

It is a super-2 number, since 2×140420515263² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140420515243) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16666870 + ... + 16675292.

It is an arithmetic number, because the mean of its divisors is an integer number (6703178976).

Almost surely, 2^140420515263 is an apocalyptic number.

140420515263 is a deficient number, since it is larger than the sum of its proper divisors (74081211969).

140420515263 is a wasteful number, since it uses less digits than its factorization.

140420515263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10295.

The product of its (nonzero) digits is 28800, while the sum is 33.

The spelling of 140420515263 in words is "one hundred forty billion, four hundred twenty million, five hundred fifteen thousand, two hundred sixty-three".