1342278434 has 32 divisors (see below), whose sum is σ = 2329533696. Its totient is φ = 568166400.

The previous prime is 1342278409. The next prime is 1342278437. The reversal of 1342278434 is 4348722431.

It is a happy number.

It is a super-2 number, since 2×1342278434² = 3603422788762984712, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1342278437) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1117034 + ... + 1118234.

It is an arithmetic number, because the mean of its divisors is an integer number (72797928).

Almost surely, 2^1342278434 is an apocalyptic number.

1342278434 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1342278434 is a deficient number, since it is larger than the sum of its proper divisors (987255262).

1342278434 is a wasteful number, since it uses less digits than its factorization.

1342278434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2130.

The product of its digits is 129024, while the sum is 38.

The square root of 1342278434 is about 36637.1182545789. The cubic root of 1342278434 is about 1103.0982717929.

The spelling of 1342278434 in words is "one billion, three hundred forty-two million, two hundred seventy-eight thousand, four hundred thirty-four".