135143962 has 4 divisors (see below), whose sum is σ = 202715946. Its totient is φ = 67571980.

The previous prime is 135143933. The next prime is 135143971. The reversal of 135143962 is 269341531.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 269341531 = 29 ⋅9287639.

It can be written as a sum of positive squares in only one way, i.e., 105452361 + 29691601 = 10269^2 + 5449^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33785989 + ... + 33785992.

Almost surely, 2^135143962 is an apocalyptic number.

135143962 is a deficient number, since it is larger than the sum of its proper divisors (67571984).

135143962 is an equidigital number, since it uses as much as digits as its factorization.

135143962 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67571983.

The product of its digits is 19440, while the sum is 34.

The square root of 135143962 is about 11625.1435259957. The cubic root of 135143962 is about 513.1750685248.

The spelling of 135143962 in words is "one hundred thirty-five million, one hundred forty-three thousand, nine hundred sixty-two".