116738381 has 4 divisors (see below), whose sum is σ = 116760000. Its totient is φ = 116716764.

The previous prime is 116738353. The next prime is 116738387. The reversal of 116738381 is 183837611.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 183837611 = 3137 ⋅58603.

It is a cyclic number.

It is not a de Polignac number, because 116738381 - 2¹⁸ = 116476237 is a prime.

It is a super-2 number, since 2×116738381² = 27255699197002322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (116738387) 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, 4940 + ... + 16058.

It is an arithmetic number, because the mean of its divisors is an integer number (29190000).

Almost surely, 2^116738381 is an apocalyptic number.

It is an amenable number.

116738381 is a deficient number, since it is larger than the sum of its proper divisors (21619).

116738381 is a wasteful number, since it uses less digits than its factorization.

116738381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21618.

The product of its digits is 24192, while the sum is 38.

The square root of 116738381 is about 10804.5537159107. The cubic root of 116738381 is about 488.7325023007.

The spelling of 116738381 in words is "one hundred sixteen million, seven hundred thirty-eight thousand, three hundred eighty-one".