155400122134 has 8 divisors (see below), whose sum is σ = 233225041608. Its totient is φ = 77658441600.

The previous prime is 155400122131. The next prime is 155400122149. The reversal of 155400122134 is 431221004551.

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 (155400122131) 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, 20805067 + ... + 20812534.

It is an arithmetic number, because the mean of its divisors is an integer number (29153130201).

Almost surely, 2^155400122134 is an apocalyptic number.

155400122134 is a deficient number, since it is larger than the sum of its proper divisors (77824919474).

155400122134 is a wasteful number, since it uses less digits than its factorization.

155400122134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41619470.

The product of its (nonzero) digits is 4800, while the sum is 28.

Adding to 155400122134 its reverse (431221004551), we get a palindrome (586621126685).

The spelling of 155400122134 in words is "one hundred fifty-five billion, four hundred million, one hundred twenty-two thousand, one hundred thirty-four".