134320515 has 32 divisors (see below), whose sum is σ = 250636800. Its totient is φ = 61401312.

The previous prime is 134320453. The next prime is 134320541. The reversal of 134320515 is 515023431.

It is not a de Polignac number, because 134320515 - 2¹² = 134316419 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7909 + ... + 18198.

It is an arithmetic number, because the mean of its divisors is an integer number (7832400).

Almost surely, 2^134320515 is an apocalyptic number.

134320515 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

134320515 is a deficient number, since it is larger than the sum of its proper divisors (116316285).

134320515 is an equidigital number, since it uses as much as digits as its factorization.

134320515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26136 (or 26122 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 134320515 is about 11589.6727736377. The cubic root of 134320515 is about 512.1306670790.

Adding to 134320515 its reverse (515023431), we get a palindrome (649343946).

The spelling of 134320515 in words is "one hundred thirty-four million, three hundred twenty thousand, five hundred fifteen".