140571963 has 64 divisors (see below), whose sum is σ = 256158720. Its totient is φ = 74359296.

The previous prime is 140571931. The next prime is 140571979. The reversal of 140571963 is 369175041.

140571963 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 140571963 - 2⁵ = 140571931 is a prime.

It is a super-3 number, since 3×140571963³ (a number of 25 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (140571163) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 214945 + ... + 215597.

It is an arithmetic number, because the mean of its divisors is an integer number (4002480).

Almost surely, 2^140571963 is an apocalyptic number.

140571963 is a deficient number, since it is larger than the sum of its proper divisors (115586757).

140571963 is a wasteful number, since it uses less digits than its factorization.

140571963 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 753 (or 747 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 36.

The square root of 140571963 is about 11856.3047784712. The cubic root of 140571963 is about 519.9555718946.

The spelling of 140571963 in words is "one hundred forty million, five hundred seventy-one thousand, nine hundred sixty-three".