1073692138 has 8 divisors (see below), whose sum is σ = 1613431332. Its totient is φ = 535881696.

The previous prime is 1073692129. The next prime is 1073692157. The reversal of 1073692138 is 8312963701.

It can be written as a sum of positive squares in 2 ways, for example, as 765794929 + 307897209 = 27673^2 + 17547^2 .

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

It is a super-2 number, since 2×1073692138² = 2305629614406022088, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1073692138.

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, 480795 + ... + 483022.

Almost surely, 2^1073692138 is an apocalyptic number.

1073692138 is a deficient number, since it is larger than the sum of its proper divisors (539739194).

1073692138 is an equidigital number, since it uses as much as digits as its factorization.

1073692138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 964376.

The product of its (nonzero) digits is 54432, while the sum is 40.

The square root of 1073692138 is about 32767.2418430359. The cubic root of 1073692138 is about 1023.9842050023.

The spelling of 1073692138 in words is "one billion, seventy-three million, six hundred ninety-two thousand, one hundred thirty-eight".