135442202450 has 48 divisors (see below), whose sum is σ = 256932617760. Its totient is φ = 53104744320.

The previous prime is 135442202447. The next prime is 135442202491. The reversal of 135442202450 is 54202244531.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 957494 + ... + 1089806.

It is an arithmetic number, because the mean of its divisors is an integer number (5352762870).

Almost surely, 2^135442202450 is an apocalyptic number.

135442202450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

135442202450 is a deficient number, since it is larger than the sum of its proper divisors (121490415310).

135442202450 is a wasteful number, since it uses less digits than its factorization.

135442202450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132731 (or 132726 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 32.

Adding to 135442202450 its reverse (54202244531), we get a palindrome (189644446981).

The spelling of 135442202450 in words is "one hundred thirty-five billion, four hundred forty-two million, two hundred two thousand, four hundred fifty".