135345310402 has 4 divisors (see below), whose sum is σ = 203017965606. Its totient is φ = 67672655200.

The previous prime is 135345310369. The next prime is 135345310421. The reversal of 135345310402 is 204013543531.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 204013543531 = 7 ⋅29144791933.

It can be written as a sum of positive squares in only one way, i.e., 134213055201 + 1132255201 = 366351^2 + 33649^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33836327599 + ... + 33836327602.

Almost surely, 2^135345310402 is an apocalyptic number.

135345310402 is a deficient number, since it is larger than the sum of its proper divisors (67672655204).

135345310402 is an equidigital number, since it uses as much as digits as its factorization.

135345310402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67672655203.

The product of its (nonzero) digits is 21600, while the sum is 31.

Adding to 135345310402 its reverse (204013543531), we get a palindrome (339358853933).

The spelling of 135345310402 in words is "one hundred thirty-five billion, three hundred forty-five million, three hundred ten thousand, four hundred two".