140903040 has 64 divisors (see below), whose sum is σ = 449134560. Its totient is φ = 37573632.

The previous prime is 140903023. The next prime is 140903047. The reversal of 140903040 is 40309041.

It is a tau number, because it is divible by the number of its divisors (64).

It is a junction number, because it is equal to n+sod(n) for n = 140902998 and 140903016.

It is not an unprimeable number, because it can be changed into a prime (140903047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34774 + ... + 38613.

Almost surely, 2^140903040 is an apocalyptic number.

140903040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

140903040 is an abundant number, since it is smaller than the sum of its proper divisors (308231520).

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

140903040 is an equidigital number, since it uses as much as digits as its factorization.

140903040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73409 (or 73397 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 140903040 is about 11870.2586323972. The cubic root of 140903040 is about 520.3634539914.

The spelling of 140903040 in words is "one hundred forty million, nine hundred three thousand, forty".