140038894 has 16 divisors (see below), whose sum is σ = 222642000. Its totient is φ = 65833344.

The previous prime is 140038889. The next prime is 140038901. The reversal of 140038894 is 498830041.

140038894 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×140038894² = 39221783665486472, which contains 22 as substring.

It is a congruent 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, 51337 + ... + 53995.

It is an arithmetic number, because the mean of its divisors is an integer number (13915125).

Almost surely, 2^140038894 is an apocalyptic number.

140038894 is a deficient number, since it is larger than the sum of its proper divisors (82603106).

140038894 is a wasteful number, since it uses less digits than its factorization.

140038894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4227.

The product of its (nonzero) digits is 27648, while the sum is 37.

The square root of 140038894 is about 11833.8030235423. The cubic root of 140038894 is about 519.2974907009.

The spelling of 140038894 in words is "one hundred forty million, thirty-eight thousand, eight hundred ninety-four".