139336148 has 72 divisors (see below), whose sum is σ = 301616448. Its totient is φ = 55148544.

The previous prime is 139336147. The next prime is 139336181. The reversal of 139336148 is 841633931.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (139336147) 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, 542036 + ... + 542292.

Almost surely, 2^139336148 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 139336148, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (150808224).

139336148 is an abundant number, since it is smaller than the sum of its proper divisors (162280300).

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

139336148 is a wasteful number, since it uses less digits than its factorization.

139336148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 369 (or 350 counting only the distinct ones).

The product of its digits is 46656, while the sum is 38.

The square root of 139336148 is about 11804.0733647330. The cubic root of 139336148 is about 518.4273839003.

The spelling of 139336148 in words is "one hundred thirty-nine million, three hundred thirty-six thousand, one hundred forty-eight".