140979099 has 16 divisors (see below), whose sum is σ = 192201984. Its totient is φ = 91884000.

The previous prime is 140979061. The next prime is 140979101. The reversal of 140979099 is 990979041.

It is not a de Polignac number, because 140979099 - 2¹⁷ = 140848027 is a prime.

It is not an unprimeable number, because it can be changed into a prime (140979199) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48024 + ... + 50874.

It is an arithmetic number, because the mean of its divisors is an integer number (12012624).

Almost surely, 2^140979099 is an apocalyptic number.

140979099 is a deficient number, since it is larger than the sum of its proper divisors (51222885).

140979099 is a wasteful number, since it uses less digits than its factorization.

140979099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3218.

The product of its (nonzero) digits is 183708, while the sum is 48.

The square root of 140979099 is about 11873.4619635555. The cubic root of 140979099 is about 520.4570673127.

It can be divided in two parts, 1409 and 79099, that added together give a palindrome (80508).

The spelling of 140979099 in words is "one hundred forty million, nine hundred seventy-nine thousand, ninety-nine".