1138598770 has 32 divisors (see below), whose sum is σ = 2077964928. Its totient is φ = 449148288.

The previous prime is 1138598761. The next prime is 1138598789. The reversal of 1138598770 is 778958311.

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, 247027 + ... + 251593.

It is an arithmetic number, because the mean of its divisors is an integer number (64936404).

Almost surely, 2^1138598770 is an apocalyptic number.

1138598770 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1138598770 is a deficient number, since it is larger than the sum of its proper divisors (939366158).

1138598770 is a wasteful number, since it uses less digits than its factorization.

1138598770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4914.

The product of its (nonzero) digits is 423360, while the sum is 49.

The square root of 1138598770 is about 33743.1292265551. The cubic root of 1138598770 is about 1044.2157436186.

The spelling of 1138598770 in words is "one billion, one hundred thirty-eight million, five hundred ninety-eight thousand, seven hundred seventy".