140311995 has 8 divisors (see below), whose sum is σ = 224499216. Its totient is φ = 74833056.

The previous prime is 140311981. The next prime is 140312027. The reversal of 140311995 is 599113041.

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

It is not a de Polignac number, because 140311995 - 2⁸ = 140311739 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4677052 + ... + 4677081.

It is an arithmetic number, because the mean of its divisors is an integer number (28062402).

Almost surely, 2^140311995 is an apocalyptic number.

140311995 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

140311995 is a deficient number, since it is larger than the sum of its proper divisors (84187221).

140311995 is an equidigital number, since it uses as much as digits as its factorization.

140311995 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9354141.

The product of its (nonzero) digits is 4860, while the sum is 33.

The square root of 140311995 is about 11845.3364240953. The cubic root of 140311995 is about 519.6348459594.

The spelling of 140311995 in words is "one hundred forty million, three hundred eleven thousand, nine hundred ninety-five".