140590390 has 8 divisors (see below), whose sum is σ = 253062720. Its totient is φ = 56236152.

The previous prime is 140590327. The next prime is 140590427. The reversal of 140590390 is 93095041.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 7029510 + ... + 7029529.

It is an arithmetic number, because the mean of its divisors is an integer number (31632840).

Almost surely, 2^140590390 is an apocalyptic number.

140590390 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

140590390 is a deficient number, since it is larger than the sum of its proper divisors (112472330).

140590390 is a wasteful number, since it uses less digits than its factorization.

140590390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14059046.

The product of its (nonzero) digits is 4860, while the sum is 31.

The square root of 140590390 is about 11857.0818501012. The cubic root of 140590390 is about 519.9782905138.

The spelling of 140590390 in words is "one hundred forty million, five hundred ninety thousand, three hundred ninety".