134478013458 has 32 divisors (see below), whose sum is σ = 283173085440. Its totient is φ = 42457519440.

The previous prime is 134478013441. The next prime is 134478013507. The reversal of 134478013458 is 854310874431.

It is a super-2 number, since 2×134478013458² (a number of 23 digits) contains 22 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, 409041 + ... + 660507.

It is an arithmetic number, because the mean of its divisors is an integer number (8849158920).

Almost surely, 2^134478013458 is an apocalyptic number.

134478013458 is an abundant number, since it is smaller than the sum of its proper divisors (148695071982).

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

134478013458 is a wasteful number, since it uses less digits than its factorization.

134478013458 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 256182.

The product of its (nonzero) digits is 1290240, while the sum is 48.

Adding to 134478013458 its reverse (854310874431), we get a palindrome (988788887889).

The spelling of 134478013458 in words is "one hundred thirty-four billion, four hundred seventy-eight million, thirteen thousand, four hundred fifty-eight".