1342391073 has 16 divisors (see below), whose sum is σ = 1800867072. Its totient is φ = 889434000.

The previous prime is 1342391053. The next prime is 1342391081. The reversal of 1342391073 is 3701932431.

It is not a de Polignac number, because 1342391073 - 2⁵ = 1342391041 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1342391003) 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, 740338 + ... + 742148.

It is an arithmetic number, because the mean of its divisors is an integer number (112554192).

Almost surely, 2^1342391073 is an apocalyptic number.

It is an amenable number.

1342391073 is a deficient number, since it is larger than the sum of its proper divisors (458475999).

1342391073 is a wasteful number, since it uses less digits than its factorization.

1342391073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3196.

The product of its (nonzero) digits is 13608, while the sum is 33.

The square root of 1342391073 is about 36638.6554474915. The cubic root of 1342391073 is about 1103.1291268941.

The spelling of 1342391073 in words is "one billion, three hundred forty-two million, three hundred ninety-one thousand, seventy-three".