136239048 has 144 divisors (see below), whose sum is σ = 418251600. Its totient is φ = 39729600.

The previous prime is 136239029. The next prime is 136239067. The reversal of 136239048 is 840932631.

136239048 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (136239029) and next prime (136239067).

It is a super-2 number, since 2×136239048² = 37122156399892608, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 761023 + ... + 761201.

It is an arithmetic number, because the mean of its divisors is an integer number (2904525).

Almost surely, 2^136239048 is an apocalyptic number.

136239048 is a gapful number since it is divisible by the number (18) 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 136239048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (209125800).

136239048 is an abundant number, since it is smaller than the sum of its proper divisors (282012552).

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

136239048 is a wasteful number, since it uses less digits than its factorization.

136239048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 264 (or 226 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 36.

The square root of 136239048 is about 11672.1483883645. The cubic root of 136239048 is about 514.5574455545.

The spelling of 136239048 in words is "one hundred thirty-six million, two hundred thirty-nine thousand, forty-eight".