1099538136 has 24 divisors (see below), whose sum is σ = 2977915980. Its totient is φ = 366512688.

The previous prime is 1099538119. The next prime is 1099538137. The reversal of 1099538136 is 6318359901.

1099538136 is a `hidden beast` number, since 10 + 99 + 538 + 13 + 6 = 666.

It is a tau number, because it is divible by the number of its divisors (24).

It is a super-2 number, since 2×1099538136² = 2417968225036708992, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1099538091 and 1099538100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1099538137) 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, 7635610 + ... + 7635753.

Almost surely, 2^1099538136 is an apocalyptic number.

It is an amenable number.

1099538136 is an abundant number, since it is smaller than the sum of its proper divisors (1878377844).

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

1099538136 is a wasteful number, since it uses less digits than its factorization.

1099538136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15271375 (or 15271368 counting only the distinct ones).

The product of its (nonzero) digits is 174960, while the sum is 45.

The square root of 1099538136 is about 33159.2843107326. The cubic root of 1099538136 is about 1032.1356185572.

The spelling of 1099538136 in words is "one billion, ninety-nine million, five hundred thirty-eight thousand, one hundred thirty-six".