134451263215 has 4 divisors (see below), whose sum is σ = 161341515864. Its totient is φ = 107561010568.

The previous prime is 134451263203. The next prime is 134451263237. The reversal of 134451263215 is 512362154431.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 512362154431 = 5519 ⋅92836049.

It is a cyclic number.

It is not a de Polignac number, because 134451263215 - 2⁵ = 134451263183 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13445126317 + ... + 13445126326.

It is an arithmetic number, because the mean of its divisors is an integer number (40335378966).

Almost surely, 2^134451263215 is an apocalyptic number.

134451263215 is a deficient number, since it is larger than the sum of its proper divisors (26890252649).

134451263215 is an equidigital number, since it uses as much as digits as its factorization.

134451263215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26890252648.

The product of its digits is 86400, while the sum is 37.

The spelling of 134451263215 in words is "one hundred thirty-four billion, four hundred fifty-one million, two hundred sixty-three thousand, two hundred fifteen".