1342444665 has 16 divisors (see below), whose sum is σ = 2151851328. Its totient is φ = 714657216.

The previous prime is 1342444637. The next prime is 1342444681. The reversal of 1342444665 is 5664442431.

It is not a de Polignac number, because 1342444665 - 2⁹ = 1342444153 is a prime.

It is a super-3 number, since 3×1342444665³ (a number of 28 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 73602 + ... + 90011.

It is an arithmetic number, because the mean of its divisors is an integer number (134490708).

Almost surely, 2^1342444665 is an apocalyptic number.

1342444665 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1342444665 is a deficient number, since it is larger than the sum of its proper divisors (809406663).

1342444665 is a wasteful number, since it uses less digits than its factorization.

1342444665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164168.

The product of its digits is 276480, while the sum is 39.

The square root of 1342444665 is about 36639.3867989081. The cubic root of 1342444665 is about 1103.1438066971.

The spelling of 1342444665 in words is "one billion, three hundred forty-two million, four hundred forty-four thousand, six hundred sixty-five".