1139253255 has 192 divisors, whose sum is σ = 2515968000. Its totient is φ = 483356160.

The previous prime is 1139253253. The next prime is 1139253259. The reversal of 1139253255 is 5523529311.

1139253255 is a `hidden beast` number, since 11 + 392 + 5 + 3 + 255 = 666.

It is not a de Polignac number, because 1139253255 - 2¹ = 1139253253 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1139253253) by changing a digit.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 7645921 + ... + 7646069.

It is an arithmetic number, because the mean of its divisors is an integer number (13104000).

Almost surely, 2^1139253255 is an apocalyptic number.

1139253255 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1139253255 is an abundant number, since it is smaller than the sum of its proper divisors (1376714745).

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

1139253255 is a wasteful number, since it uses less digits than its factorization.

1139253255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 236 (or 224 counting only the distinct ones).

The product of its digits is 40500, while the sum is 36.

The square root of 1139253255 is about 33752.8258816947. The cubic root of 1139253255 is about 1044.4157826646.

The spelling of 1139253255 in words is "one billion, one hundred thirty-nine million, two hundred fifty-three thousand, two hundred fifty-five".