155335420133 has 8 divisors (see below), whose sum is σ = 162329743488. Its totient is φ = 148494818304.

The previous prime is 155335420109. The next prime is 155335420211. The reversal of 155335420133 is 331024533551.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 155335420133 - 2¹² = 155335416037 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 155335420093 and 155335420102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155335428133) 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, 38428316 + ... + 38432357.

It is an arithmetic number, because the mean of its divisors is an integer number (20291217936).

Almost surely, 2^155335420133 is an apocalyptic number.

It is an amenable number.

155335420133 is a deficient number, since it is larger than the sum of its proper divisors (6994323355).

155335420133 is an equidigital number, since it uses as much as digits as its factorization.

155335420133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76860763.

The product of its (nonzero) digits is 81000, while the sum is 35.

Adding to 155335420133 its reverse (331024533551), we get a palindrome (486359953684).

The spelling of 155335420133 in words is "one hundred fifty-five billion, three hundred thirty-five million, four hundred twenty thousand, one hundred thirty-three".