1138190 has 8 divisors (see below), whose sum is σ = 2048760. Its totient is φ = 455272.

The previous prime is 1138183. The next prime is 1138213. The reversal of 1138190 is 918311.

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

It is a super-2 number, since 2×1138190² = 2590952952200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56900 + ... + 56919.

It is an arithmetic number, because the mean of its divisors is an integer number (256095).

2^1138190 is an apocalyptic number.

1138190 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1138190 is a deficient number, since it is larger than the sum of its proper divisors (910570).

1138190 is a wasteful number, since it uses less digits than its factorization.

1138190 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113826.

The product of its (nonzero) digits is 216, while the sum is 23.

The square root of 1138190 is about 1066.8598783345. The cubic root of 1138190 is about 104.4090766857.

The spelling of 1138190 in words is "one million, one hundred thirty-eight thousand, one hundred ninety".