1138494 has 16 divisors (see below), whose sum is σ = 2602368. Its totient is φ = 325272.

The previous prime is 1138483. The next prime is 1138519. The reversal of 1138494 is 4948311.

1138494 = 532² + 533² + ... + 535².

It is a happy number.

It is a super-4 number, since 4×1138494⁴ (a number of 25 digits) contains 4444 as substring.

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13512 + ... + 13595.

It is an arithmetic number, because the mean of its divisors is an integer number (162648).

2^1138494 is an apocalyptic number.

1138494 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1138494 is an abundant number, since it is smaller than the sum of its proper divisors (1463874).

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

1138494 is a wasteful number, since it uses less digits than its factorization.

1138494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27119.

The product of its digits is 3456, while the sum is 30.

The square root of 1138494 is about 1067.0023430152. The cubic root of 1138494 is about 104.4183714238.

The spelling of 1138494 in words is "one million, one hundred thirty-eight thousand, four hundred ninety-four".