135423632002 has 8 divisors (see below), whose sum is σ = 203179081356. Its totient is φ = 67697271552.

The previous prime is 135423631999. The next prime is 135423632009. The reversal of 135423632002 is 200236324531.

It can be written as a sum of positive squares in 2 ways, for example, as 135049635081 + 373996921 = 367491^2 + 19339^2 .

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

It is a super-2 number, since 2×135423632002² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (135423632009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7260583 + ... + 7279210.

Almost surely, 2^135423632002 is an apocalyptic number.

135423632002 is a deficient number, since it is larger than the sum of its proper divisors (67755449354).

135423632002 is a wasteful number, since it uses less digits than its factorization.

135423632002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14544452.

The product of its (nonzero) digits is 25920, while the sum is 31.

Adding to 135423632002 its reverse (200236324531), we get a palindrome (335659956533).

The spelling of 135423632002 in words is "one hundred thirty-five billion, four hundred twenty-three million, six hundred thirty-two thousand, two".