140479699 has 8 divisors (see below), whose sum is σ = 146813472. Its totient is φ = 134164800.

The previous prime is 140479681. The next prime is 140479727. The reversal of 140479699 is 996974041.

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 140479699 - 2⁹ = 140479187 is a prime.

It is a super-2 number, since 2×140479699² = 39469091662261202, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140479499) 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, 11767 + ... + 20479.

It is an arithmetic number, because the mean of its divisors is an integer number (18351684).

Almost surely, 2^140479699 is an apocalyptic number.

140479699 is a deficient number, since it is larger than the sum of its proper divisors (6333773).

140479699 is an equidigital number, since it uses as much as digits as its factorization.

140479699 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9437.

The product of its (nonzero) digits is 489888, while the sum is 49.

The square root of 140479699 is about 11852.4132141940. The cubic root of 140479699 is about 519.8417898872.

The spelling of 140479699 in words is "one hundred forty million, four hundred seventy-nine thousand, six hundred ninety-nine".