139867104 has 144 divisors (see below), whose sum is σ = 410063472. Its totient is φ = 41693184.

The previous prime is 139867103. The next prime is 139867129. The reversal of 139867104 is 401768931.

139867104 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (139867103) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 600172 + ... + 600404.

It is an arithmetic number, because the mean of its divisors is an integer number (2847663).

Almost surely, 2^139867104 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 139867104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (205031736).

139867104 is an abundant number, since it is smaller than the sum of its proper divisors (270196368).

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

139867104 is a wasteful number, since it uses less digits than its factorization.

139867104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 309 (or 288 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 39.

The square root of 139867104 is about 11826.5423518457. The cubic root of 139867104 is about 519.0850577661.

The spelling of 139867104 in words is "one hundred thirty-nine million, eight hundred sixty-seven thousand, one hundred four".