1099537902 has 40 divisors (see below), whose sum is σ = 2465696376. Its totient is φ = 366227568.

The previous prime is 1099537897. The next prime is 1099537937. The reversal of 1099537902 is 2097359901.

It is a happy number.

1099537902 is a `hidden beast` number, since 109 + 9 + 537 + 9 + 0 + 2 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 356973 + ... + 360039.

Almost surely, 2^1099537902 is an apocalyptic number.

1099537902 is an abundant number, since it is smaller than the sum of its proper divisors (1366158474).

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

1099537902 is a wasteful number, since it uses less digits than its factorization.

1099537902 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5294 (or 5285 counting only the distinct ones).

The product of its (nonzero) digits is 153090, while the sum is 45.

The square root of 1099537902 is about 33159.2807823089. The cubic root of 1099537902 is about 1032.1355453386.

It can be divided in two parts, 109953 and 7902, that added together give a triangular number (117855 = T₄₈₅).

The spelling of 1099537902 in words is "one billion, ninety-nine million, five hundred thirty-seven thousand, nine hundred two".