140043294 has 12 divisors (see below), whose sum is σ = 303427176. Its totient is φ = 46681092.

The previous prime is 140043287. The next prime is 140043317. The reversal of 140043294 is 492340041.

140043294 is a `hidden beast` number, since 140 + 0 + 432 + 94 = 666.

140043294 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×140043294² = 39224248388740872, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3890074 + ... + 3890109.

It is an arithmetic number, because the mean of its divisors is an integer number (25285598).

Almost surely, 2^140043294 is an apocalyptic number.

140043294 is an abundant number, since it is smaller than the sum of its proper divisors (163383882).

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

140043294 is a wasteful number, since it uses less digits than its factorization.

140043294 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7780191 (or 7780188 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 140043294 is about 11833.9889301959. The cubic root of 140043294 is about 519.3029293924.

The spelling of 140043294 in words is "one hundred forty million, forty-three thousand, two hundred ninety-four".