1342826409 has 8 divisors (see below), whose sum is σ = 1797043072. Its totient is φ = 891913680.

The previous prime is 1342826377. The next prime is 1342826417. The reversal of 1342826409 is 9046282431.

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

It is not a de Polignac number, because 1342826409 - 2⁵ = 1342826377 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1342826509) 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, 825034 + ... + 826659.

It is an arithmetic number, because the mean of its divisors is an integer number (224630384).

Almost surely, 2^1342826409 is an apocalyptic number.

It is an amenable number.

1342826409 is a deficient number, since it is larger than the sum of its proper divisors (454216663).

1342826409 is a wasteful number, since it uses less digits than its factorization.

1342826409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1651967.

The product of its (nonzero) digits is 82944, while the sum is 39.

The square root of 1342826409 is about 36644.5959044441. The cubic root of 1342826409 is about 1103.2483618740.

The spelling of 1342826409 in words is "one billion, three hundred forty-two million, eight hundred twenty-six thousand, four hundred nine".