1138401762 has 8 divisors (see below), whose sum is σ = 2276803536. Its totient is φ = 379467252.

The previous prime is 1138401731. The next prime is 1138401763. The reversal of 1138401762 is 2671048311.

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

1138401762 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (1138401763) 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, 94866808 + ... + 94866819.

It is an arithmetic number, because the mean of its divisors is an integer number (284600442).

Almost surely, 2^1138401762 is an apocalyptic number.

1138401762 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.

1138401762 is a wasteful number, since it uses less digits than its factorization.

1138401762 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189733632.

The product of its (nonzero) digits is 8064, while the sum is 33.

The square root of 1138401762 is about 33740.2098689383. The cubic root of 1138401762 is about 1044.1555144062.

The spelling of 1138401762 in words is "one billion, one hundred thirty-eight million, four hundred one thousand, seven hundred sixty-two".