140391334 has 8 divisors (see below), whose sum is σ = 210916440. Its totient is φ = 70085856.

The previous prime is 140391319. The next prime is 140391367. The reversal of 140391334 is 433193041.

140391334 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 congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53299 + ... + 55870.

It is an arithmetic number, because the mean of its divisors is an integer number (26364555).

Almost surely, 2^140391334 is an apocalyptic number.

140391334 is a deficient number, since it is larger than the sum of its proper divisors (70525106).

140391334 is a wasteful number, since it uses less digits than its factorization.

140391334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109814.

The product of its (nonzero) digits is 3888, while the sum is 28.

The square root of 140391334 is about 11848.6849059294. The cubic root of 140391334 is about 519.7327694972.

The spelling of 140391334 in words is "one hundred forty million, three hundred ninety-one thousand, three hundred thirty-four".