140798957 has 8 divisors (see below), whose sum is σ = 154200480. Its totient is φ = 127764720.

The previous prime is 140798951. The next prime is 140798971. The reversal of 140798957 is 759897041.

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 140798957 - 2⁴ = 140798941 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 (140798951) 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, 91019 + ... + 92552.

It is an arithmetic number, because the mean of its divisors is an integer number (19275060).

Almost surely, 2^140798957 is an apocalyptic number.

It is an amenable number.

140798957 is a deficient number, since it is larger than the sum of its proper divisors (13401523).

140798957 is a wasteful number, since it uses less digits than its factorization.

140798957 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 183643.

The product of its (nonzero) digits is 635040, while the sum is 50.

The square root of 140798957 is about 11865.8736298681. The cubic root of 140798957 is about 520.2352941570.

The spelling of 140798957 in words is "one hundred forty million, seven hundred ninety-eight thousand, nine hundred fifty-seven".