119142309 has 32 divisors (see below), whose sum is σ = 187858944. Its totient is φ = 66214080.

The previous prime is 119142271. The next prime is 119142329. The reversal of 119142309 is 903241911.

It is not a de Polignac number, because 119142309 - 2⁸ = 119142053 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (119142329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 70812 + ... + 72474.

It is an arithmetic number, because the mean of its divisors is an integer number (5870592).

Almost surely, 2^119142309 is an apocalyptic number.

It is an amenable number.

119142309 is a deficient number, since it is larger than the sum of its proper divisors (68716635).

119142309 is a wasteful number, since it uses less digits than its factorization.

119142309 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1857.

The product of its (nonzero) digits is 1944, while the sum is 30.

The square root of 119142309 is about 10915.2328880331. The cubic root of 119142309 is about 492.0644662371.

The spelling of 119142309 in words is "one hundred nineteen million, one hundred forty-two thousand, three hundred nine".