140646354 has 16 divisors (see below), whose sum is σ = 283783392. Its totient is φ = 46467008.

The previous prime is 140646347. The next prime is 140646367. The reversal of 140646354 is 453646041.

140646354 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

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, 103044 + ... + 104399.

It is an arithmetic number, because the mean of its divisors is an integer number (17736462).

Almost surely, 2^140646354 is an apocalyptic number.

140646354 is an abundant number, since it is smaller than the sum of its proper divisors (143137038).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

140646354 is a wasteful number, since it uses less digits than its factorization.

140646354 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 207561.

The product of its (nonzero) digits is 34560, while the sum is 33.

The square root of 140646354 is about 11859.4415551492. The cubic root of 140646354 is about 520.0472762737.

The spelling of 140646354 in words is "one hundred forty million, six hundred forty-six thousand, three hundred fifty-four".