118149377 has 2 divisors, whose sum is σ = 118149378. Its totient is φ = 118149376.

The previous prime is 118149347. The next prime is 118149431. The reversal of 118149377 is 773941811.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 64625521 + 53523856 = 8039^2 + 7316^2 .

It is an emirp because it is prime and its reverse (773941811) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 118149377 - 2⁶ = 118149313 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (118149347) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 59074688 + 59074689.

It is an arithmetic number, because the mean of its divisors is an integer number (59074689).

Almost surely, 2^118149377 is an apocalyptic number.

It is an amenable number.

118149377 is a deficient number, since it is larger than the sum of its proper divisors (1).

118149377 is an equidigital number, since it uses as much as digits as its factorization.

118149377 is an evil number, because the sum of its binary digits is even.

The product of its digits is 42336, while the sum is 41.

The square root of 118149377 is about 10869.6539503335. The cubic root of 118149377 is about 490.6936960728.

The spelling of 118149377 in words is "one hundred eighteen million, one hundred forty-nine thousand, three hundred seventy-seven".