139101460 has 12 divisors (see below), whose sum is σ = 292113108. Its totient is φ = 55640576.

The previous prime is 139101373. The next prime is 139101461. The reversal of 139101460 is 64101931.

It can be written as a sum of positive squares in 2 ways, for example, as 83210884 + 55890576 = 9122^2 + 7476^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (139101461) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3477517 + ... + 3477556.

It is an arithmetic number, because the mean of its divisors is an integer number (24342759).

Almost surely, 2^139101460 is an apocalyptic number.

139101460 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

139101460 is an abundant number, since it is smaller than the sum of its proper divisors (153011648).

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

139101460 is a wasteful number, since it uses less digits than its factorization.

139101460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6955082 (or 6955080 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 25.

The square root of 139101460 is about 11794.1282000833. The cubic root of 139101460 is about 518.1361527979.

The spelling of 139101460 in words is "one hundred thirty-nine million, one hundred one thousand, four hundred sixty".