134780259 has 8 divisors (see below), whose sum is σ = 180559552. Its totient is φ = 89427240.

The previous prime is 134780257. The next prime is 134780263. The reversal of 134780259 is 952087431.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 134780259 - 2¹ = 134780257 is a prime.

It is a super-2 number, since 2×134780259² = 36331436432214162, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (134780257) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 105829 + ... + 107094.

It is an arithmetic number, because the mean of its divisors is an integer number (22569944).

Almost surely, 2^134780259 is an apocalyptic number.

134780259 is a deficient number, since it is larger than the sum of its proper divisors (45779293).

134780259 is a wasteful number, since it uses less digits than its factorization.

134780259 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213137.

The product of its (nonzero) digits is 60480, while the sum is 39.

The square root of 134780259 is about 11609.4900404798. The cubic root of 134780259 is about 512.7142981653.

The spelling of 134780259 in words is "one hundred thirty-four million, seven hundred eighty thousand, two hundred fifty-nine".