134783015 has 4 divisors (see below), whose sum is σ = 161739624. Its totient is φ = 107826408.

The previous prime is 134783003. The next prime is 134783041. The reversal of 134783015 is 510387431.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 510387431 = 149 ⋅3425419.

It is a cyclic number.

It is not a de Polignac number, because 134783015 - 2¹⁸ = 134520871 is a prime.

It is a super-2 number, since 2×134783015² = 36332922264980450, which contains 22 as substring.

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, 13478297 + ... + 13478306.

It is an arithmetic number, because the mean of its divisors is an integer number (40434906).

Almost surely, 2^134783015 is an apocalyptic number.

134783015 is a deficient number, since it is larger than the sum of its proper divisors (26956609).

134783015 is an equidigital number, since it uses as much as digits as its factorization.

134783015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26956608.

The product of its (nonzero) digits is 10080, while the sum is 32.

The square root of 134783015 is about 11609.6087358705. The cubic root of 134783015 is about 512.7177928190.

The spelling of 134783015 in words is "one hundred thirty-four million, seven hundred eighty-three thousand, fifteen".