1342353921 has 8 divisors (see below), whose sum is σ = 1799176704. Its totient is φ = 890216880.

The previous prime is 1342353917. The next prime is 1342353941. The reversal of 1342353921 is 1293532431.

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

It is not a de Polignac number, because 1342353921 - 2² = 1342353917 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1342353941) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1170766 + ... + 1171911.

It is an arithmetic number, because the mean of its divisors is an integer number (224897088).

Almost surely, 2^1342353921 is an apocalyptic number.

It is an amenable number.

1342353921 is a deficient number, since it is larger than the sum of its proper divisors (456822783).

1342353921 is a wasteful number, since it uses less digits than its factorization.

1342353921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2342871.

The product of its digits is 19440, while the sum is 33.

The square root of 1342353921 is about 36638.1484384787. The cubic root of 1342353921 is about 1103.1189500705.

The spelling of 1342353921 in words is "one billion, three hundred forty-two million, three hundred fifty-three thousand, nine hundred twenty-one".