119491139 has 2 divisors, whose sum is σ = 119491140. Its totient is φ = 119491138.

The previous prime is 119491129. The next prime is 119491159. The reversal of 119491139 is 931194911.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 119491139 - 2⁴ = 119491123 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (119491129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 59745569 + 59745570.

It is an arithmetic number, because the mean of its divisors is an integer number (59745570).

Almost surely, 2^119491139 is an apocalyptic number.

119491139 is a deficient number, since it is larger than the sum of its proper divisors (1).

119491139 is an equidigital number, since it uses as much as digits as its factorization.

119491139 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8748, while the sum is 38.

The square root of 119491139 is about 10931.2002543179. The cubic root of 119491139 is about 492.5442275209.

The spelling of 119491139 in words is "one hundred nineteen million, four hundred ninety-one thousand, one hundred thirty-nine".