118135951 has 2 divisors, whose sum is σ = 118135952. Its totient is φ = 118135950.

The previous prime is 118135949. The next prime is 118135987. The reversal of 118135951 is 159531811.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 118135951 - 2¹ = 118135949 is a prime.

It is a super-2 number, since 2×118135951² = 27912205837348802, which contains 22 as substring.

Together with 118135949, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (118135351) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 59067975 + 59067976.

It is an arithmetic number, because the mean of its divisors is an integer number (59067976).

Almost surely, 2^118135951 is an apocalyptic number.

118135951 is a deficient number, since it is larger than the sum of its proper divisors (1).

118135951 is an equidigital number, since it uses as much as digits as its factorization.

118135951 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5400, while the sum is 34.

The square root of 118135951 is about 10869.0363418290. The cubic root of 118135951 is about 490.6751085771.

The spelling of 118135951 in words is "one hundred eighteen million, one hundred thirty-five thousand, nine hundred fifty-one".