401135135 has 8 divisors (see below), whose sum is σ = 486128736. Its totient is φ = 317730400.

The previous prime is 401135131. The next prime is 401135153. The reversal of 401135135 is 531531104.

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

It is not a de Polignac number, because 401135135 - 2² = 401135131 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 401135135.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401135131) 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, 396659 + ... + 397668.

It is an arithmetic number, because the mean of its divisors is an integer number (60766092).

Almost surely, 2^401135135 is an apocalyptic number.

401135135 is a deficient number, since it is larger than the sum of its proper divisors (84993601).

401135135 is a wasteful number, since it uses less digits than its factorization.

401135135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 794433.

The product of its (nonzero) digits is 900, while the sum is 23.

The square root of 401135135 is about 20028.3582702128. The cubic root of 401135135 is about 737.5026203105.

Adding to 401135135 its reverse (531531104), we get a palindrome (932666239).

The spelling of 401135135 in words is "four hundred one million, one hundred thirty-five thousand, one hundred thirty-five".