1869138708 has 24 divisors (see below), whose sum is σ = 4362033312. Its totient is φ = 622944864.

The previous prime is 1869138701. The next prime is 1869138727. The reversal of 1869138708 is 8078319681.

1869138708 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1869138701) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 118291 + ... + 133157.

It is an arithmetic number, because the mean of its divisors is an integer number (181751388).

Almost surely, 2^1869138708 is an apocalyptic number.

It is an amenable number.

1869138708 is an abundant number, since it is smaller than the sum of its proper divisors (2492894604).

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

1869138708 is a wasteful number, since it uses less digits than its factorization.

1869138708 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25351 (or 25349 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 51.

The square root of 1869138708 is about 43233.5368435200. The cubic root of 1869138708 is about 1231.8197902559.

The spelling of 1869138708 in words is "one billion, eight hundred sixty-nine million, one hundred thirty-eight thousand, seven hundred eight".