1136238870 has 128 divisors (see below), whose sum is σ = 3084770304. Its totient is φ = 265757184.

The previous prime is 1136238841. The next prime is 1136238889. The reversal of 1136238870 is 788326311.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1766769 + ... + 1767411.

It is an arithmetic number, because the mean of its divisors is an integer number (24099768).

Almost surely, 2^1136238870 is an apocalyptic number.

1136238870 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1136238870, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1542385152).

1136238870 is an abundant number, since it is smaller than the sum of its proper divisors (1948531434).

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

1136238870 is a wasteful number, since it uses less digits than its factorization.

1136238870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 886.

The product of its (nonzero) digits is 48384, while the sum is 39.

The square root of 1136238870 is about 33708.1424881289. The cubic root of 1136238870 is about 1043.4938184901.

The spelling of 1136238870 in words is "one billion, one hundred thirty-six million, two hundred thirty-eight thousand, eight hundred seventy".