136138026 has 32 divisors (see below), whose sum is σ = 280075968. Its totient is φ = 44096000.

The previous prime is 136138003. The next prime is 136138033. The reversal of 136138026 is 620831631.

It is a junction number, because it is equal to n+sod(n) for n = 136137984 and 136138002.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32026 + ... + 36026.

It is an arithmetic number, because the mean of its divisors is an integer number (8752374).

Almost surely, 2^136138026 is an apocalyptic number.

136138026 is an abundant number, since it is smaller than the sum of its proper divisors (143937942).

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

136138026 is a wasteful number, since it uses less digits than its factorization.

136138026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4166.

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 136138026 is about 11667.8201048868. The cubic root of 136138026 is about 514.4302317184.

Adding to 136138026 its reverse (620831631), we get a palindrome (756969657).

The spelling of 136138026 in words is "one hundred thirty-six million, one hundred thirty-eight thousand, twenty-six".