118138607 has 2 divisors, whose sum is σ = 118138608. Its totient is φ = 118138606.

The previous prime is 118138583. The next prime is 118138619. The reversal of 118138607 is 706831811.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 118138607 - 2¹⁴ = 118122223 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (118138667) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 59069303 + 59069304.

It is an arithmetic number, because the mean of its divisors is an integer number (59069304).

Almost surely, 2^118138607 is an apocalyptic number.

118138607 is a deficient number, since it is larger than the sum of its proper divisors (1).

118138607 is an equidigital number, since it uses as much as digits as its factorization.

118138607 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8064, while the sum is 35.

The square root of 118138607 is about 10869.1585230872. The cubic root of 118138607 is about 490.6787857623.

The spelling of 118138607 in words is "one hundred eighteen million, one hundred thirty-eight thousand, six hundred seven".