140605416 has 64 divisors (see below), whose sum is σ = 446371200. Its totient is φ = 40172544.

The previous prime is 140605397. The next prime is 140605447. The reversal of 140605416 is 614506041.

140605416 is a `hidden beast` number, since 1 + 40 + 605 + 4 + 16 = 666.

140605416 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 140605416.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44985 + ... + 48008.

It is an arithmetic number, because the mean of its divisors is an integer number (6974550).

Almost surely, 2^140605416 is an apocalyptic number.

It is an amenable number.

140605416 is an abundant number, since it is smaller than the sum of its proper divisors (305765784).

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

140605416 is a wasteful number, since it uses less digits than its factorization.

140605416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93015 (or 93005 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 140605416 is about 11857.7154629380. The cubic root of 140605416 is about 519.9968145761.

The spelling of 140605416 in words is "one hundred forty million, six hundred five thousand, four hundred sixteen".