134323220454 has 16 divisors (see below), whose sum is σ = 268752279360. Its totient is φ = 44756767080.

The previous prime is 134323220429. The next prime is 134323220489. The reversal of 134323220454 is 454022323431.

It is a super-2 number, since 2×134323220454² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4393432 + ... + 4423899.

It is an arithmetic number, because the mean of its divisors is an integer number (16797017460).

Almost surely, 2^134323220454 is an apocalyptic number.

134323220454 is an abundant number, since it is smaller than the sum of its proper divisors (134429058906).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

134323220454 is a wasteful number, since it uses less digits than its factorization.

134323220454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8819875.

The product of its (nonzero) digits is 69120, while the sum is 33.

Adding to 134323220454 its reverse (454022323431), we get a palindrome (588345543885).

The spelling of 134323220454 in words is "one hundred thirty-four billion, three hundred twenty-three million, two hundred twenty thousand, four hundred fifty-four".