123540225134 has 8 divisors (see below), whose sum is σ = 185965145400. Its totient is φ = 61551843336.

The previous prime is 123540225121. The next prime is 123540225157. The reversal of 123540225134 is 431522045321.

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

It is a self number, because there is not a number n which added to its sum of digits gives 123540225134.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 109133909 + ... + 109135040.

It is an arithmetic number, because the mean of its divisors is an integer number (23245643175).

Almost surely, 2^123540225134 is an apocalyptic number.

123540225134 is a deficient number, since it is larger than the sum of its proper divisors (62424920266).

123540225134 is a wasteful number, since it uses less digits than its factorization.

123540225134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 218269234.

The product of its (nonzero) digits is 28800, while the sum is 32.

The spelling of 123540225134 in words is "one hundred twenty-three billion, five hundred forty million, two hundred twenty-five thousand, one hundred thirty-four".