118684739 has 2 divisors, whose sum is σ = 118684740. Its totient is φ = 118684738.

The previous prime is 118684723. The next prime is 118684763. The reversal of 118684739 is 937486811.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 118684739 - 2⁴ = 118684723 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 118684693 and 118684702.

It is not a weakly prime, because it can be changed into another prime (118687739) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 59342369 + 59342370.

It is an arithmetic number, because the mean of its divisors is an integer number (59342370).

Almost surely, 2^118684739 is an apocalyptic number.

118684739 is a deficient number, since it is larger than the sum of its proper divisors (1).

118684739 is an equidigital number, since it uses as much as digits as its factorization.

118684739 is an evil number, because the sum of its binary digits is even.

The product of its digits is 290304, while the sum is 47.

The square root of 118684739 is about 10894.2525672944. The cubic root of 118684739 is about 491.4337281073.

The spelling of 118684739 in words is "one hundred eighteen million, six hundred eighty-four thousand, seven hundred thirty-nine".