1138902 has 8 divisors (see below), whose sum is σ = 2277816. Its totient is φ = 379632.

The previous prime is 1138901. The next prime is 1138919. The reversal of 1138902 is 2098311.

It is a sphenic number, since it is the product of 3 distinct primes.

1138902 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1138901) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 94903 + ... + 94914.

It is an arithmetic number, because the mean of its divisors is an integer number (284727).

2^1138902 is an apocalyptic number.

1138902 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1138902 is a wasteful number, since it uses less digits than its factorization.

1138902 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189822.

The product of its (nonzero) digits is 432, while the sum is 24.

The square root of 1138902 is about 1067.1935157224. The cubic root of 1138902 is about 104.4308433406.

The spelling of 1138902 in words is "one million, one hundred thirty-eight thousand, nine hundred two".