139093696 has 56 divisors (see below), whose sum is σ = 329184000. Its totient is φ = 57015552.

The previous prime is 139093681. The next prime is 139093697. The reversal of 139093696 is 696390931.

It is a tau number, because it is divible by the number of its divisors (56).

It is a Harshad number since it is a multiple of its sum of digits (46).

It is not an unprimeable number, because it can be changed into a prime (139093697) 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, 3555 + ... + 17053.

Almost surely, 2^139093696 is an apocalyptic number.

139093696 is a gapful number since it is divisible by the number (16) 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 139093696, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (164592000).

139093696 is an abundant number, since it is smaller than the sum of its proper divisors (190090304).

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

139093696 is a wasteful number, since it uses less digits than its factorization.

139093696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13541 (or 13531 counting only the distinct ones).

The product of its (nonzero) digits is 236196, while the sum is 46.

The square root of 139093696 is about 11793.7990486526. The cubic root of 139093696 is about 518.1265126309.

The spelling of 139093696 in words is "one hundred thirty-nine million, ninety-three thousand, six hundred ninety-six".