140774646 has 16 divisors (see below), whose sum is σ = 281723904. Its totient is φ = 46895784.

The previous prime is 140774633. The next prime is 140774653. The reversal of 140774646 is 646477041.

It is a happy number.

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, 4731 + ... + 17433.

It is an arithmetic number, because the mean of its divisors is an integer number (17607744).

Almost surely, 2^140774646 is an apocalyptic number.

140774646 is an abundant number, since it is smaller than the sum of its proper divisors (140949258).

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

140774646 is a wasteful number, since it uses less digits than its factorization.

140774646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14555.

The product of its (nonzero) digits is 112896, while the sum is 39.

The square root of 140774646 is about 11864.8491772968. The cubic root of 140774646 is about 520.2053503551.

The spelling of 140774646 in words is "one hundred forty million, seven hundred seventy-four thousand, six hundred forty-six".