1139700894 has 16 divisors (see below), whose sum is σ = 2279990160. Its totient is φ = 379802240.

The previous prime is 1139700889. The next prime is 1139700901. The reversal of 1139700894 is 4980079311.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3052 + ... + 47840.

It is an arithmetic number, because the mean of its divisors is an integer number (142499385).

Almost surely, 2^1139700894 is an apocalyptic number.

1139700894 is an abundant number, since it is smaller than the sum of its proper divisors (1140289266).

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

1139700894 is a wasteful number, since it uses less digits than its factorization.

1139700894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49035.

The product of its (nonzero) digits is 54432, while the sum is 42.

The square root of 1139700894 is about 33759.4563641063. The cubic root of 1139700894 is about 1044.5525564722.

The spelling of 1139700894 in words is "one billion, one hundred thirty-nine million, seven hundred thousand, eight hundred ninety-four".