140744808 has 48 divisors (see below), whose sum is σ = 382614180. Its totient is φ = 46738944.

The previous prime is 140744789. The next prime is 140744809. The reversal of 140744808 is 808447041.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 135070884 + 5673924 = 11622^2 + 2382^2 .

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

It is not an unprimeable number, because it can be changed into a prime (140744809) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16416 + ... + 23472.

Almost surely, 2^140744808 is an apocalyptic number.

140744808 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

140744808 is an abundant number, since it is smaller than the sum of its proper divisors (241869372).

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

140744808 is a wasteful number, since it uses less digits than its factorization.

140744808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7346 (or 7339 counting only the distinct ones).

The product of its (nonzero) digits is 28672, while the sum is 36.

The square root of 140744808 is about 11863.5916989755. The cubic root of 140744808 is about 520.1685942477.

The spelling of 140744808 in words is "one hundred forty million, seven hundred forty-four thousand, eight hundred eight".