1138118770 has 16 divisors (see below), whose sum is σ = 2053487448. Its totient is φ = 454164480.

The previous prime is 1138118719. The next prime is 1138118777. The reversal of 1138118770 is 778118311.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 759388249 + 378730521 = 27557^2 + 19461^2 .

It is not an unprimeable number, because it can be changed into a prime (1138118777) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 130959 + ... + 139378.

Almost surely, 2^1138118770 is an apocalyptic number.

1138118770 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1138118770 is a deficient number, since it is larger than the sum of its proper divisors (915368678).

1138118770 is a wasteful number, since it uses less digits than its factorization.

1138118770 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 270765.

The product of its (nonzero) digits is 9408, while the sum is 37.

The square root of 1138118770 is about 33736.0159177103. The cubic root of 1138118770 is about 1044.0689860366.

The spelling of 1138118770 in words is "one billion, one hundred thirty-eight million, one hundred eighteen thousand, seven hundred seventy".