134405415 has 12 divisors (see below), whose sum is σ = 232969464. Its totient is φ = 71682864.

The previous prime is 134405413. The next prime is 134405419. The reversal of 134405415 is 514504431.

It is a happy number.

It is not a de Polignac number, because 134405415 - 2¹ = 134405413 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134405413) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1493349 + ... + 1493438.

It is an arithmetic number, because the mean of its divisors is an integer number (19414122).

Almost surely, 2^134405415 is an apocalyptic number.

134405415 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

134405415 is a deficient number, since it is larger than the sum of its proper divisors (98564049).

134405415 is a wasteful number, since it uses less digits than its factorization.

134405415 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2986798 (or 2986795 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The square root of 134405415 is about 11593.3349386620. The cubic root of 134405415 is about 512.2385452044.

Adding to 134405415 its reverse (514504431), we get a palindrome (648909846).

The spelling of 134405415 in words is "one hundred thirty-four million, four hundred five thousand, four hundred fifteen".