140999139 has 12 divisors (see below), whose sum is σ = 215645976. Its totient is φ = 88469952.

The previous prime is 140999137. The next prime is 140999149. The reversal of 140999139 is 931999041.

It is not a de Polignac number, because 140999139 - 2¹ = 140999137 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 140999094 and 140999103.

It is not an unprimeable number, because it can be changed into a prime (140999137) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 460629 + ... + 460934.

It is an arithmetic number, because the mean of its divisors is an integer number (17970498).

Almost surely, 2^140999139 is an apocalyptic number.

140999139 is a deficient number, since it is larger than the sum of its proper divisors (74646837).

140999139 is a wasteful number, since it uses less digits than its factorization.

140999139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 921586 (or 921583 counting only the distinct ones).

The product of its (nonzero) digits is 78732, while the sum is 45.

The square root of 140999139 is about 11874.3058323424. The cubic root of 140999139 is about 520.4817269149.

The spelling of 140999139 in words is "one hundred forty million, nine hundred ninety-nine thousand, one hundred thirty-nine".