140628590 has 16 divisors (see below), whose sum is σ = 268021872. Its totient is φ = 52942464.

The previous prime is 140628589. The next prime is 140628599. The reversal of 140628590 is 95826041.

It is a self number, because there is not a number n which added to its sum of digits gives 140628590.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140628599) 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 7 ways as a sum of consecutive naturals, for example, 413444 + ... + 413783.

It is an arithmetic number, because the mean of its divisors is an integer number (16751367).

Almost surely, 2^140628590 is an apocalyptic number.

140628590 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

140628590 is a deficient number, since it is larger than the sum of its proper divisors (127393282).

140628590 is a wasteful number, since it uses less digits than its factorization.

140628590 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 827251.

The product of its (nonzero) digits is 17280, while the sum is 35.

The square root of 140628590 is about 11858.6925923560. The cubic root of 140628590 is about 520.0253809111.

The spelling of 140628590 in words is "one hundred forty million, six hundred twenty-eight thousand, five hundred ninety".