136620041042 has 8 divisors (see below), whose sum is σ = 211996615500. Its totient is φ = 65954502544.

The previous prime is 136620041039. The next prime is 136620041083. The reversal of 136620041042 is 240140026631.

It can be written as a sum of positive squares in 2 ways, for example, as 130227878641 + 6392162401 = 360871^2 + 79951^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×136620041042² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a junction number, because it is equal to n+sod(n) for n = 136620040996 and 136620041014.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1177758917 + ... + 1177759032.

Almost surely, 2^136620041042 is an apocalyptic number.

136620041042 is a deficient number, since it is larger than the sum of its proper divisors (75376574458).

136620041042 is a wasteful number, since it uses less digits than its factorization.

136620041042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2355517980.

The product of its (nonzero) digits is 6912, while the sum is 29.

Adding to 136620041042 its reverse (240140026631), we get a palindrome (376760067673).

The spelling of 136620041042 in words is "one hundred thirty-six billion, six hundred twenty million, forty-one thousand, forty-two".