1342217542 has 4 divisors (see below), whose sum is σ = 2013326316. Its totient is φ = 671108770.

The previous prime is 1342217521. The next prime is 1342217543. The reversal of 1342217542 is 2457122431.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1342217543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 335554384 + ... + 335554387.

It is an arithmetic number, because the mean of its divisors is an integer number (503331579).

Almost surely, 2^1342217542 is an apocalyptic number.

1342217542 is a deficient number, since it is larger than the sum of its proper divisors (671108774).

1342217542 is an equidigital number, since it uses as much as digits as its factorization.

1342217542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 671108773.

The product of its digits is 13440, while the sum is 31.

The square root of 1342217542 is about 36636.2872300128. The cubic root of 1342217542 is about 1103.0815909826.

Adding to 1342217542 its reverse (2457122431), we get a palindrome (3799339973).

The spelling of 1342217542 in words is "one billion, three hundred forty-two million, two hundred seventeen thousand, five hundred forty-two".