134436223665 has 160 divisors (see below), whose sum is σ = 249282798336. Its totient is φ = 69289758720.

The previous prime is 134436223657. The next prime is 134436223673. The reversal of 134436223665 is 566322634431.

134436223665 is a `hidden beast` number, since 13 + 4 + 4 + 3 + 622 + 3 + 6 + 6 + 5 = 666.

It is an interprime number because it is at equal distance from previous prime (134436223657) and next prime (134436223673).

It is not a de Polignac number, because 134436223665 - 2³ = 134436223657 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 134436223665.

It is an unprimeable number.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 398920377 + ... + 398920713.

Almost surely, 2^134436223665 is an apocalyptic number.

134436223665 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

134436223665 is a deficient number, since it is larger than the sum of its proper divisors (114846574671).

134436223665 is a wasteful number, since it uses less digits than its factorization.

134436223665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 661 (or 652 counting only the distinct ones).

The product of its digits is 1866240, while the sum is 45.

The spelling of 134436223665 in words is "one hundred thirty-four billion, four hundred thirty-six million, two hundred twenty-three thousand, six hundred sixty-five".