9090943138 has 16 divisors (see below), whose sum is σ = 14004861120. Its totient is φ = 4424182000.

The previous prime is 9090943123. The next prime is 9090943153. The reversal of 9090943138 is 8313490909.

It is an interprime number because it is at equal distance from previous prime (9090943123) and next prime (9090943153).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 369478 + ... + 393313.

It is an arithmetic number, because the mean of its divisors is an integer number (875303820).

Almost surely, 2^9090943138 is an apocalyptic number.

9090943138 is a deficient number, since it is larger than the sum of its proper divisors (4913917982).

9090943138 is a wasteful number, since it uses less digits than its factorization.

9090943138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 762953.

The product of its (nonzero) digits is 209952, while the sum is 46.

The square root of 9090943138 is about 95346.4374688431. The cubic root of 9090943138 is about 2087.0666278968.

The spelling of 9090943138 in words is "nine billion, ninety million, nine hundred forty-three thousand, one hundred thirty-eight".