155352621134 has 8 divisors (see below), whose sum is σ = 233063327160. Its totient is φ = 77664845416.

The previous prime is 155352621131. The next prime is 155352621139. The reversal of 155352621134 is 431126253551.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155352621131) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5715629 + ... + 5742744.

It is an arithmetic number, because the mean of its divisors is an integer number (29132915895).

Almost surely, 2^155352621134 is an apocalyptic number.

155352621134 is a deficient number, since it is larger than the sum of its proper divisors (77710706026).

155352621134 is a wasteful number, since it uses less digits than its factorization.

155352621134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11465154.

The product of its digits is 108000, while the sum is 38.

Adding to 155352621134 its reverse (431126253551), we get a palindrome (586478874685).

The spelling of 155352621134 in words is "one hundred fifty-five billion, three hundred fifty-two million, six hundred twenty-one thousand, one hundred thirty-four".