763867138 has 8 divisors (see below), whose sum is σ = 1146049740. Its totient is φ = 381850560.

The previous prime is 763867121. The next prime is 763867147. The reversal of 763867138 is 831768367.

It can be written as a sum of positive squares in 2 ways, for example, as 751143649 + 12723489 = 27407^2 + 3567^2 .

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

It is a super-3 number, since 3×763867138³ (a number of 28 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 763867091 and 763867100.

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, 29283 + ... + 48838.

Almost surely, 2^763867138 is an apocalyptic number.

763867138 is a deficient number, since it is larger than the sum of its proper divisors (382182602).

763867138 is a wasteful number, since it uses less digits than its factorization.

763867138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83012.

The product of its digits is 1016064, while the sum is 49.

The square root of 763867138 is about 27638.1464284420. The cubic root of 763867138 is about 914.1257490018.

The spelling of 763867138 in words is "seven hundred sixty-three million, eight hundred sixty-seven thousand, one hundred thirty-eight".