134642579383 has 4 divisors (see below), whose sum is σ = 144999700888. Its totient is φ = 124285457880.

The previous prime is 134642579381. The next prime is 134642579387. The reversal of 134642579383 is 383975246431.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 134642579383 - 2¹ = 134642579381 is a prime.

It is a super-3 number, since 3×134642579383³ (a number of 34 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134642579381) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5178560733 + ... + 5178560758.

It is an arithmetic number, because the mean of its divisors is an integer number (36249925222).

Almost surely, 2^134642579383 is an apocalyptic number.

134642579383 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

134642579383 is a deficient number, since it is larger than the sum of its proper divisors (10357121505).

134642579383 is a wasteful number, since it uses less digits than its factorization.

134642579383 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10357121504.

The product of its digits is 13063680, while the sum is 55.

It can be divided in two parts, 134642 and 579383, that added together give a square (714025 = 845²).

The spelling of 134642579383 in words is "one hundred thirty-four billion, six hundred forty-two million, five hundred seventy-nine thousand, three hundred eighty-three".