134015551 has 2 divisors, whose sum is σ = 134015552. Its totient is φ = 134015550.

The previous prime is 134015527. The next prime is 134015561. The reversal of 134015551 is 155510431.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (155510431) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 134015551 - 2⁷ = 134015423 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (134015501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67007775 + 67007776.

It is an arithmetic number, because the mean of its divisors is an integer number (67007776).

Almost surely, 2^134015551 is an apocalyptic number.

134015551 is a deficient number, since it is larger than the sum of its proper divisors (1).

134015551 is an equidigital number, since it uses as much as digits as its factorization.

134015551 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1500, while the sum is 25.

The square root of 134015551 is about 11576.5085841976. The cubic root of 134015551 is about 511.7427894585.

Adding to 134015551 its reverse (155510431), we get a palindrome (289525982).

The spelling of 134015551 in words is "one hundred thirty-four million, fifteen thousand, five hundred fifty-one".