139516104 has 128 divisors (see below), whose sum is σ = 433520640. Its totient is φ = 36433152.

The previous prime is 139516103. The next prime is 139516121. The reversal of 139516104 is 401615931.

It is not an unprimeable number, because it can be changed into a prime (139516103) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 277117 + ... + 277619.

It is an arithmetic number, because the mean of its divisors is an integer number (3386880).

Almost surely, 2^139516104 is an apocalyptic number.

139516104 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 139516104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (216760320).

139516104 is an abundant number, since it is smaller than the sum of its proper divisors (294004536).

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

139516104 is a wasteful number, since it uses less digits than its factorization.

139516104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 659 (or 655 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 30.

The square root of 139516104 is about 11811.6935280255. The cubic root of 139516104 is about 518.6504750472.

The spelling of 139516104 in words is "one hundred thirty-nine million, five hundred sixteen thousand, one hundred four".