140194944 has 48 divisors (see below), whose sum is σ = 403428870. Its totient is φ = 46731264.

The previous prime is 140194909. The next prime is 140194981. The reversal of 140194944 is 449491041.

It can be written as a sum of positive squares in only one way, i.e., 114062400 + 26132544 = 10680^2 + 5112^2 .

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 140194899 and 140194908.

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, 59697 + ... + 62000.

Almost surely, 2^140194944 is an apocalyptic number.

It is an amenable number.

140194944 is an abundant number, since it is smaller than the sum of its proper divisors (263233926).

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

140194944 is a wasteful number, since it uses less digits than its factorization.

140194944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121717 (or 121702 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The square root of 140194944 is about 11840.3945880194. The cubic root of 140194944 is about 519.4903092559.

The spelling of 140194944 in words is "one hundred forty million, one hundred ninety-four thousand, nine hundred forty-four".