140325991 has 8 divisors (see below), whose sum is σ = 151260480. Its totient is φ = 129411552.

The previous prime is 140325979. The next prime is 140326031. The reversal of 140325991 is 199523041.

140325991 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 140325991 - 2⁵ = 140325959 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 (140325971) 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, 11586 + ... + 20368.

It is an arithmetic number, because the mean of its divisors is an integer number (18907560).

Almost surely, 2^140325991 is an apocalyptic number.

140325991 is a deficient number, since it is larger than the sum of its proper divisors (10934489).

140325991 is a wasteful number, since it uses less digits than its factorization.

140325991 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10025.

The product of its (nonzero) digits is 9720, while the sum is 34.

The square root of 140325991 is about 11845.9271903891. The cubic root of 140325991 is about 519.6521230935.

The spelling of 140325991 in words is "one hundred forty million, three hundred twenty-five thousand, nine hundred ninety-one".