1138814202 has 32 divisors (see below), whose sum is σ = 2358779904. Its totient is φ = 366159600.

The previous prime is 1138814189. The next prime is 1138814219. The reversal of 1138814202 is 2024188311.

It is a self number, because there is not a number n which added to its sum of digits gives 1138814202.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48003 + ... + 67689.

It is an arithmetic number, because the mean of its divisors is an integer number (73711872).

Almost surely, 2^1138814202 is an apocalyptic number.

1138814202 is an abundant number, since it is smaller than the sum of its proper divisors (1219965702).

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

1138814202 is a wasteful number, since it uses less digits than its factorization.

1138814202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20034.

The product of its (nonzero) digits is 3072, while the sum is 30.

The square root of 1138814202 is about 33746.3213106258. The cubic root of 1138814202 is about 1044.2815974574.

The spelling of 1138814202 in words is "one billion, one hundred thirty-eight million, eight hundred fourteen thousand, two hundred two".