100136550 has 24 divisors (see below), whose sum is σ = 248339016. Its totient is φ = 26703040.

The previous prime is 100136539. The next prime is 100136567. The reversal of 100136550 is 55631001.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 333639 + ... + 333938.

It is an arithmetic number, because the mean of its divisors is an integer number (10347459).

Almost surely, 2^100136550 is an apocalyptic number.

100136550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

100136550 is an abundant number, since it is smaller than the sum of its proper divisors (148202466).

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

100136550 is a wasteful number, since it uses less digits than its factorization.

100136550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 667592 (or 667587 counting only the distinct ones).

The product of its (nonzero) digits is 450, while the sum is 21.

The square root of 100136550 is about 10006.8251708521. The cubic root of 100136550 is about 464.3700569230.

Adding to 100136550 its reverse (55631001), we get a palindrome (155767551).

The spelling of 100136550 in words is "one hundred million, one hundred thirty-six thousand, five hundred fifty".