99135956 has 6 divisors (see below), whose sum is σ = 173487930. Its totient is φ = 49567976.

The previous prime is 99135937. The next prime is 99135973. The reversal of 99135956 is 65953199.

It can be written as a sum of positive squares in only one way, i.e., 94867600 + 4268356 = 9740^2 + 2066^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 99135956.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12391991 + ... + 12391998.

It is an arithmetic number, because the mean of its divisors is an integer number (28914655).

Almost surely, 2^99135956 is an apocalyptic number.

It is an amenable number.

99135956 is a deficient number, since it is larger than the sum of its proper divisors (74351974).

99135956 is a wasteful number, since it uses less digits than its factorization.

99135956 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24783993 (or 24783991 counting only the distinct ones).

The product of its digits is 328050, while the sum is 47.

The square root of 99135956 is about 9956.7040731358. The cubic root of 99135956 is about 462.8181687994.

The spelling of 99135956 in words is "ninety-nine million, one hundred thirty-five thousand, nine hundred fifty-six".