136742364 has 192 divisors, whose sum is σ = 412876800. Its totient is φ = 38750400.

The previous prime is 136742363. The next prime is 136742369. The reversal of 136742364 is 463247631.

It is a happy number.

It is a super-2 number, since 2×136742364² = 37396948224616992, which contains 22 as substring.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136742363) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1730877 + ... + 1730955.

It is an arithmetic number, because the mean of its divisors is an integer number (2150400).

Almost surely, 2^136742364 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 136742364, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (206438400).

136742364 is an abundant number, since it is smaller than the sum of its proper divisors (276134436).

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

136742364 is a wasteful number, since it uses less digits than its factorization.

136742364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 181 (or 173 counting only the distinct ones).

The product of its digits is 72576, while the sum is 36.

The square root of 136742364 is about 11693.6890671849. The cubic root of 136742364 is about 515.1903202067.

Adding to 136742364 its reverse (463247631), we get a palindrome (599989995).

The spelling of 136742364 in words is "one hundred thirty-six million, seven hundred forty-two thousand, three hundred sixty-four".