139693148 has 24 divisors (see below), whose sum is σ = 295821792. Its totient is φ = 56346624.

The previous prime is 139693133. The next prime is 139693153. The reversal of 139693148 is 841396931.

It is a junction number, because it is equal to n+sod(n) for n = 139693099 and 139693108.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 146261 + ... + 147212.

It is an arithmetic number, because the mean of its divisors is an integer number (12325908).

Almost surely, 2^139693148 is an apocalyptic number.

It is an amenable number.

139693148 is an abundant number, since it is smaller than the sum of its proper divisors (156128644).

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

139693148 is a wasteful number, since it uses less digits than its factorization.

139693148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 293501 (or 293499 counting only the distinct ones).

The product of its digits is 139968, while the sum is 44.

The square root of 139693148 is about 11819.1855895404. The cubic root of 139693148 is about 518.8697690650.

The spelling of 139693148 in words is "one hundred thirty-nine million, six hundred ninety-three thousand, one hundred forty-eight".