140999959 has 8 divisors (see below), whose sum is σ = 149328000. Its totient is φ = 132855096.

The previous prime is 140999951. The next prime is 140999983. The reversal of 140999959 is 959999041.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 140999959 - 2³ = 140999951 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140999951) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44209 + ... + 47290.

It is an arithmetic number, because the mean of its divisors is an integer number (18666000).

Almost surely, 2^140999959 is an apocalyptic number.

140999959 is a deficient number, since it is larger than the sum of its proper divisors (8328041).

140999959 is an equidigital number, since it uses as much as digits as its factorization.

140999959 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91589.

The product of its (nonzero) digits is 1180980, while the sum is 55.

The square root of 140999959 is about 11874.3403606264. The cubic root of 140999959 is about 520.4827358907.

The spelling of 140999959 in words is "one hundred forty million, nine hundred ninety-nine thousand, nine hundred fifty-nine".