1342636239 has 8 divisors (see below), whose sum is σ = 2045921920. Its totient is φ = 767220696.

The previous prime is 1342636237. The next prime is 1342636241. The reversal of 1342636239 is 9326362431.

It is an interprime number because it is at equal distance from previous prime (1342636237) and next prime (1342636241).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1342636239 - 2¹ = 1342636237 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1342636197 and 1342636206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1342636231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31967509 + ... + 31967550.

It is an arithmetic number, because the mean of its divisors is an integer number (255740240).

Almost surely, 2^1342636239 is an apocalyptic number.

1342636239 is a deficient number, since it is larger than the sum of its proper divisors (703285681).

1342636239 is an equidigital number, since it uses as much as digits as its factorization.

1342636239 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63935069.

The product of its digits is 139968, while the sum is 39.

The square root of 1342636239 is about 36642.0010234157. The cubic root of 1342636239 is about 1103.1962790323.

The spelling of 1342636239 in words is "one billion, three hundred forty-two million, six hundred thirty-six thousand, two hundred thirty-nine".