405135101 has 8 divisors (see below), whose sum is σ = 464069760. Its totient is φ = 346465008.

The previous prime is 405135097. The next prime is 405135103. The reversal of 405135101 is 101531504.

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

It is a cyclic number.

It is not a de Polignac number, because 405135101 - 2² = 405135097 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (405135103) 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, 62846 + ... + 68991.

It is an arithmetic number, because the mean of its divisors is an integer number (58008720).

Almost surely, 2^405135101 is an apocalyptic number.

It is an amenable number.

405135101 is a deficient number, since it is larger than the sum of its proper divisors (58934659).

405135101 is a wasteful number, since it uses less digits than its factorization.

405135101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132283.

The product of its (nonzero) digits is 300, while the sum is 20.

The square root of 405135101 is about 20127.9681289493. The cubic root of 405135101 is about 739.9458817253.

Adding to 405135101 its reverse (101531504), we get a palindrome (506666605).

The spelling of 405135101 in words is "four hundred five million, one hundred thirty-five thousand, one hundred one".