119139287 has 4 divisors (see below), whose sum is σ = 124319280. Its totient is φ = 113959296.

The previous prime is 119139277. The next prime is 119139299. The reversal of 119139287 is 782931911.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 782931911 = 97 ⋅8071463.

It is not a de Polignac number, because 119139287 - 2¹⁴ = 119122903 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (119139217) 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, 2589962 + ... + 2590007.

It is an arithmetic number, because the mean of its divisors is an integer number (31079820).

Almost surely, 2^119139287 is an apocalyptic number.

119139287 is a deficient number, since it is larger than the sum of its proper divisors (5179993).

119139287 is an equidigital number, since it uses as much as digits as its factorization.

119139287 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5179992.

The product of its digits is 27216, while the sum is 41.

The square root of 119139287 is about 10915.0944567603. The cubic root of 119139287 is about 492.0603058583.

The spelling of 119139287 in words is "one hundred nineteen million, one hundred thirty-nine thousand, two hundred eighty-seven".