139216260 has 48 divisors (see below), whose sum is σ = 390422592. Its totient is φ = 37065600.

The previous prime is 139216219. The next prime is 139216261. The reversal of 139216260 is 62612931.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (139216261) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 47230 + ... + 50090.

It is an arithmetic number, because the mean of its divisors is an integer number (8133804).

Almost surely, 2^139216260 is an apocalyptic number.

139216260 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

139216260 is an abundant number, since it is smaller than the sum of its proper divisors (251206332).

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

139216260 is a wasteful number, since it uses less digits than its factorization.

139216260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3684 (or 3682 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 30.

The square root of 139216260 is about 11798.9940249159. The cubic root of 139216260 is about 518.2786523193.

The spelling of 139216260 in words is "one hundred thirty-nine million, two hundred sixteen thousand, two hundred sixty".