140021883 has 18 divisors (see below), whose sum is σ = 206678004. Its totient is φ = 91348824.

The previous prime is 140021881. The next prime is 140021897. The reversal of 140021883 is 388120041.

It is not a de Polignac number, because 140021883 - 2¹ = 140021881 is a prime.

It is a super-2 number, since 2×140021883² = 39212255437731378, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (140021881) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 16360 + ... + 23402.

Almost surely, 2^140021883 is an apocalyptic number.

140021883 is a deficient number, since it is larger than the sum of its proper divisors (66656121).

140021883 is an equidigital number, since it uses as much as digits as its factorization.

140021883 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7143 (or 7093 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 27.

The square root of 140021883 is about 11833.0842555946. The cubic root of 140021883 is about 519.2764629062.

It can be divided in two parts, 1400218 and 83, that added together give a triangular number (1400301 = T₁₆₇₃).

The spelling of 140021883 in words is "one hundred forty million, twenty-one thousand, eight hundred eighty-three".