136424623636 has 24 divisors (see below), whose sum is σ = 273124630016. Its totient is φ = 58408685280.

The previous prime is 136424623619. The next prime is 136424623639. The reversal of 136424623636 is 636326424631.

It is a super-2 number, since 2×136424623636² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136424623639) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2430531 + ... + 2486026.

Almost surely, 2^136424623636 is an apocalyptic number.

It is an amenable number.

136424623636 is an abundant number, since it is smaller than the sum of its proper divisors (136700006380).

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

136424623636 is a wasteful number, since it uses less digits than its factorization.

136424623636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4917559 (or 4917557 counting only the distinct ones).

The product of its digits is 2239488, while the sum is 46.

The spelling of 136424623636 in words is "one hundred thirty-six billion, four hundred twenty-four million, six hundred twenty-three thousand, six hundred thirty-six".