400070319135 has 16 divisors (see below), whose sum is σ = 640122173280. Its totient is φ = 213367616000.

The previous prime is 400070319127. The next prime is 400070319139. The reversal of 400070319135 is 531913070004.

It is not a de Polignac number, because 400070319135 - 2³ = 400070319127 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 400070319096 and 400070319105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (400070319139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1094635 + ... + 1413635.

It is an arithmetic number, because the mean of its divisors is an integer number (40007635830).

Almost surely, 2^400070319135 is an apocalyptic number.

400070319135 is a deficient number, since it is larger than the sum of its proper divisors (240051854145).

400070319135 is a wasteful number, since it uses less digits than its factorization.

400070319135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 402618.

The product of its (nonzero) digits is 11340, while the sum is 33.

Adding to 400070319135 its reverse (531913070004), we get a palindrome (931983389139).

The spelling of 400070319135 in words is "four hundred billion, seventy million, three hundred nineteen thousand, one hundred thirty-five".