99136137 has 4 divisors (see below), whose sum is σ = 132181520. Its totient is φ = 66090756.

The previous prime is 99136099. The next prime is 99136151. The reversal of 99136137 is 73163199.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 73163199 = 3 ⋅24387733.

It is not a de Polignac number, because 99136137 - 2¹⁸ = 98873993 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 99136095 and 99136104.

It is not an unprimeable number, because it can be changed into a prime (99136157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16522687 + ... + 16522692.

It is an arithmetic number, because the mean of its divisors is an integer number (33045380).

Almost surely, 2^99136137 is an apocalyptic number.

It is an amenable number.

99136137 is a deficient number, since it is larger than the sum of its proper divisors (33045383).

99136137 is a wasteful number, since it uses less digits than its factorization.

99136137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33045382.

The product of its digits is 30618, while the sum is 39.

The square root of 99136137 is about 9956.7131624849. The cubic root of 99136137 is about 462.8184504666.

It can be divided in two parts, 991 and 36137, that added together give a triangular number (37128 = T₂₇₂).

The spelling of 99136137 in words is "ninety-nine million, one hundred thirty-six thousand, one hundred thirty-seven".