140090470 has 32 divisors (see below), whose sum is σ = 283372992. Its totient is φ = 49475712.

The previous prime is 140090449. The next prime is 140090479. The reversal of 140090470 is 74090041.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140090479) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20437 + ... + 26416.

It is an arithmetic number, because the mean of its divisors is an integer number (8855406).

Almost surely, 2^140090470 is an apocalyptic number.

140090470 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

140090470 is an abundant number, since it is smaller than the sum of its proper divisors (143282522).

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

140090470 is a wasteful number, since it uses less digits than its factorization.

140090470 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46896.

The product of its (nonzero) digits is 1008, while the sum is 25.

The square root of 140090470 is about 11835.9820040417. The cubic root of 140090470 is about 519.3612348966.

The spelling of 140090470 in words is "one hundred forty million, ninety thousand, four hundred seventy".