136642051100 has 144 divisors (see below), whose sum is σ = 322682680320. Its totient is φ = 50032857600.

The previous prime is 136642051097. The next prime is 136642051141. The reversal of 136642051100 is 1150246631.

It is a happy number.

It is a super-2 number, since 2×136642051100² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 50475947 + ... + 50478653.

Almost surely, 2^136642051100 is an apocalyptic number.

136642051100 is a gapful number since it is divisible by the number (10) 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 136642051100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (161341340160).

136642051100 is an abundant number, since it is smaller than the sum of its proper divisors (186040629220).

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

136642051100 is a wasteful number, since it uses less digits than its factorization.

136642051100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3628 (or 3621 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 29.

Adding to 136642051100 its reverse (1150246631), we get a palindrome (137792297731).

The spelling of 136642051100 in words is "one hundred thirty-six billion, six hundred forty-two million, fifty-one thousand, one hundred".