1138602255 has 32 divisors (see below), whose sum is σ = 2149183488. Its totient is φ = 503712000.

The previous prime is 1138602239. The next prime is 1138602277. The reversal of 1138602255 is 5522068311.

1138602255 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1138602255 - 2⁴ = 1138602239 is a prime.

It is a congruent number.

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 31 ways as a sum of consecutive naturals, for example, 171646 + ... + 178155.

It is an arithmetic number, because the mean of its divisors is an integer number (67161984).

Almost surely, 2^1138602255 is an apocalyptic number.

1138602255 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1138602255 is a deficient number, since it is larger than the sum of its proper divisors (1010581233).

1138602255 is a wasteful number, since it uses less digits than its factorization.

1138602255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 349847.

The product of its (nonzero) digits is 14400, while the sum is 33.

The square root of 1138602255 is about 33743.1808666581. The cubic root of 1138602255 is about 1044.2168089890.

The spelling of 1138602255 in words is "one billion, one hundred thirty-eight million, six hundred two thousand, two hundred fifty-five".