135401415 has 8 divisors (see below), whose sum is σ = 216642288. Its totient is φ = 72214080.

The previous prime is 135401359. The next prime is 135401417. The reversal of 135401415 is 514104531.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 135401415 - 2⁸ = 135401159 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135401417) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4513366 + ... + 4513395.

It is an arithmetic number, because the mean of its divisors is an integer number (27080286).

Almost surely, 2^135401415 is an apocalyptic number.

135401415 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

135401415 is a deficient number, since it is larger than the sum of its proper divisors (81240873).

135401415 is an equidigital number, since it uses as much as digits as its factorization.

135401415 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9026769.

The product of its (nonzero) digits is 1200, while the sum is 24.

The square root of 135401415 is about 11636.2113679668. The cubic root of 135401415 is about 513.5007327306.

Adding to 135401415 its reverse (514104531), we get a palindrome (649505946).

The spelling of 135401415 in words is "one hundred thirty-five million, four hundred one thousand, four hundred fifteen".