405163134 has 24 divisors (see below), whose sum is σ = 910367640. Its totient is φ = 135054216.

The previous prime is 405163117. The next prime is 405163139. The reversal of 405163134 is 431361504.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 405163098 and 405163107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (405163139) 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, 416349 + ... + 417320.

It is an arithmetic number, because the mean of its divisors is an integer number (37931985).

Almost surely, 2^405163134 is an apocalyptic number.

405163134 is an abundant number, since it is smaller than the sum of its proper divisors (505204506).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

405163134 is an equidigital number, since it uses as much as digits as its factorization.

405163134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 833686 (or 833674 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 405163134 is about 20128.6644862495. The cubic root of 405163134 is about 739.9629479866.

The spelling of 405163134 in words is "four hundred five million, one hundred sixty-three thousand, one hundred thirty-four".