134446623331 has 4 divisors (see below), whose sum is σ = 134454127600. Its totient is φ = 134439119064.

The previous prime is 134446623329. The next prime is 134446623359. The reversal of 134446623331 is 133326644431.

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 134446623331 - 2¹ = 134446623329 is a prime.

It is a super-2 number, since 2×134446623331² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (134446623301) 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, 3725196 + ... + 3761113.

It is an arithmetic number, because the mean of its divisors is an integer number (33613531900).

Almost surely, 2^134446623331 is an apocalyptic number.

134446623331 is a deficient number, since it is larger than the sum of its proper divisors (7504269).

134446623331 is an equidigital number, since it uses as much as digits as its factorization.

134446623331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7504268.

The product of its digits is 373248, while the sum is 40.

The spelling of 134446623331 in words is "one hundred thirty-four billion, four hundred forty-six million, six hundred twenty-three thousand, three hundred thirty-one".