134215507 has 2 divisors, whose sum is σ = 134215508. Its totient is φ = 134215506.

The previous prime is 134215483. The next prime is 134215553. The reversal of 134215507 is 705512431.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 134215507 - 2⁷ = 134215379 is a prime.

It is not a weakly prime, because it can be changed into another prime (134215577) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67107753 + 67107754.

It is an arithmetic number, because the mean of its divisors is an integer number (67107754).

Almost surely, 2^134215507 is an apocalyptic number.

134215507 is a deficient number, since it is larger than the sum of its proper divisors (1).

134215507 is an equidigital number, since it uses as much as digits as its factorization.

134215507 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4200, while the sum is 28.

The square root of 134215507 is about 11585.1416478177. The cubic root of 134215507 is about 511.9971758369.

Adding to 134215507 its reverse (705512431), we get a palindrome (839727938).

The spelling of 134215507 in words is "one hundred thirty-four million, two hundred fifteen thousand, five hundred seven".