139469590 has 16 divisors (see below), whose sum is σ = 270356688. Its totient is φ = 51496416.

The previous prime is 139469579. The next prime is 139469593. The reversal of 139469590 is 95964931.

It is a self number, because there is not a number n which added to its sum of digits gives 139469590.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (139469593) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 536292 + ... + 536551.

It is an arithmetic number, because the mean of its divisors is an integer number (16897293).

Almost surely, 2^139469590 is an apocalyptic number.

139469590 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

139469590 is a deficient number, since it is larger than the sum of its proper divisors (130887098).

139469590 is a wasteful number, since it uses less digits than its factorization.

139469590 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1072863.

The product of its (nonzero) digits is 262440, while the sum is 46.

The square root of 139469590 is about 11809.7243828973. The cubic root of 139469590 is about 518.5928301136.

The spelling of 139469590 in words is "one hundred thirty-nine million, four hundred sixty-nine thousand, five hundred ninety".