116138775 has 12 divisors (see below), whose sum is σ = 192016232. Its totient is φ = 61940640.

The previous prime is 116138761. The next prime is 116138791. The reversal of 116138775 is 577831611.

It is not a de Polignac number, because 116138775 - 2¹⁶ = 116073239 is a prime.

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 774184 + ... + 774333.

Almost surely, 2^116138775 is an apocalyptic number.

116138775 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

116138775 is a deficient number, since it is larger than the sum of its proper divisors (75877457).

116138775 is a wasteful number, since it uses less digits than its factorization.

116138775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1548530 (or 1548525 counting only the distinct ones).

The product of its digits is 35280, while the sum is 39.

The square root of 116138775 is about 10776.7701562203. The cubic root of 116138775 is about 487.8943029506.

The spelling of 116138775 in words is "one hundred sixteen million, one hundred thirty-eight thousand, seven hundred seventy-five".