1342140249 has 8 divisors (see below), whose sum is σ = 1789869312. Its totient is φ = 894585680.

The previous prime is 1342140227. The next prime is 1342140281. The reversal of 1342140249 is 9420412431.

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

It is a cyclic number.

It is not a de Polignac number, because 1342140249 - 2⁹ = 1342139737 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1342140049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24474 + ... + 57299.

It is an arithmetic number, because the mean of its divisors is an integer number (223733664).

Almost surely, 2^1342140249 is an apocalyptic number.

It is an amenable number.

1342140249 is a deficient number, since it is larger than the sum of its proper divisors (447729063).

1342140249 is an equidigital number, since it uses as much as digits as its factorization.

1342140249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87247.

The product of its (nonzero) digits is 6912, while the sum is 30.

The square root of 1342140249 is about 36635.2323453803. The cubic root of 1342140249 is about 1103.0604165407.

The spelling of 1342140249 in words is "one billion, three hundred forty-two million, one hundred forty thousand, two hundred forty-nine".