402022040135 has 8 divisors (see below), whose sum is σ = 482447756016. Its totient is φ = 321603426880.

The previous prime is 402022040131. The next prime is 402022040149. The reversal of 402022040135 is 531040220204.

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 402022040135 - 2² = 402022040131 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 402022040135.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (402022040131) 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, 1650326 + ... + 1878195.

It is an arithmetic number, because the mean of its divisors is an integer number (60305969502).

Almost surely, 2^402022040135 is an apocalyptic number.

402022040135 is a deficient number, since it is larger than the sum of its proper divisors (80425715881).

402022040135 is a wasteful number, since it uses less digits than its factorization.

402022040135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3551313.

The product of its (nonzero) digits is 1920, while the sum is 23.

Adding to 402022040135 its reverse (531040220204), we get a palindrome (933062260339).

The spelling of 402022040135 in words is "four hundred two billion, twenty-two million, forty thousand, one hundred thirty-five".