140992847 has 4 divisors (see below), whose sum is σ = 142691640. Its totient is φ = 139294056.

The previous prime is 140992823. The next prime is 140992871. The reversal of 140992847 is 748299041.

140992847 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (140992823) and next prime (140992871).

It is a cyclic number.

It is not a de Polignac number, because 140992847 - 2²⁰ = 139944271 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 140992798 and 140992807.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140992807) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 849272 + ... + 849437.

It is an arithmetic number, because the mean of its divisors is an integer number (35672910).

Almost surely, 2^140992847 is an apocalyptic number.

140992847 is a deficient number, since it is larger than the sum of its proper divisors (1698793).

140992847 is an equidigital number, since it uses as much as digits as its factorization.

140992847 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1698792.

The product of its (nonzero) digits is 145152, while the sum is 44.

The square root of 140992847 is about 11874.0408875833. The cubic root of 140992847 is about 520.4739847405.

The spelling of 140992847 in words is "one hundred forty million, nine hundred ninety-two thousand, eight hundred forty-seven".