155434135404 has 24 divisors (see below), whose sum is σ = 362687002048. Its totient is φ = 51810328080.

The previous prime is 155434135313. The next prime is 155434135459. The reversal of 155434135404 is 404531434551.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 691539 + ... + 888309.

Almost surely, 2^155434135404 is an apocalyptic number.

It is an amenable number.

155434135404 is an abundant number, since it is smaller than the sum of its proper divisors (207252866644).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

155434135404 is a wasteful number, since it uses less digits than its factorization.

155434135404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 262605 (or 262603 counting only the distinct ones).

The product of its (nonzero) digits is 288000, while the sum is 39.

Adding to 155434135404 its reverse (404531434551), we get a palindrome (559965569955).

The spelling of 155434135404 in words is "one hundred fifty-five billion, four hundred thirty-four million, one hundred thirty-five thousand, four hundred four".