103136013 has 6 divisors (see below), whose sum is σ = 148974254. Its totient is φ = 68757336.

The previous prime is 103135999. The next prime is 103136053. The reversal of 103136013 is 310631301.

It can be written as a sum of positive squares in only one way, i.e., 55980324 + 47155689 = 7482^2 + 6867^2 .

It is not a de Polignac number, because 103136013 - 2¹⁰ = 103134989 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103136053) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5729770 + ... + 5729787.

Almost surely, 2^103136013 is an apocalyptic number.

It is an amenable number.

103136013 is a deficient number, since it is larger than the sum of its proper divisors (45838241).

103136013 is a wasteful number, since it uses less digits than its factorization.

103136013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11459563 (or 11459560 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 18.

The square root of 103136013 is about 10155.5902339549. The cubic root of 103136013 is about 468.9610565300.

Adding to 103136013 its reverse (310631301), we get a palindrome (413767314).

The spelling of 103136013 in words is "one hundred three million, one hundred thirty-six thousand, thirteen".