136742004 has 72 divisors (see below), whose sum is σ = 397575360. Its totient is φ = 38817792.

The previous prime is 136741991. The next prime is 136742113. The reversal of 136742004 is 400247631.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 39412 + ... + 42740.

It is an arithmetic number, because the mean of its divisors is an integer number (5521880).

Almost surely, 2^136742004 is an apocalyptic number.

136742004 is a gapful number since it is divisible by the number (14) 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 136742004, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (198787680).

136742004 is an abundant number, since it is smaller than the sum of its proper divisors (260833356).

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

136742004 is a wasteful number, since it uses less digits than its factorization.

136742004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3509 (or 3504 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 27.

The square root of 136742004 is about 11693.6736742565. The cubic root of 136742004 is about 515.1898680945.

Adding to 136742004 its reverse (400247631), we get a palindrome (536989635).

The spelling of 136742004 in words is "one hundred thirty-six million, seven hundred forty-two thousand, four".