119139779 has 4 divisors (see below), whose sum is σ = 129970680. Its totient is φ = 108308880.

The previous prime is 119139773. The next prime is 119139781. The reversal of 119139779 is 977931911.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 119139779 - 2⁸ = 119139523 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (119139773) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5415434 + ... + 5415455.

It is an arithmetic number, because the mean of its divisors is an integer number (32492670).

Almost surely, 2^119139779 is an apocalyptic number.

119139779 is a deficient number, since it is larger than the sum of its proper divisors (10830901).

119139779 is a wasteful number, since it uses less digits than its factorization.

119139779 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10830900.

The product of its digits is 107163, while the sum is 47.

The square root of 119139779 is about 10915.1169943341. The cubic root of 119139779 is about 492.0609831981.

The spelling of 119139779 in words is "one hundred nineteen million, one hundred thirty-nine thousand, seven hundred seventy-nine".