134844181525 has 12 divisors (see below), whose sum is σ = 167252446944. Its totient is φ = 107845886000.

The previous prime is 134844181501. The next prime is 134844181559. The reversal of 134844181525 is 525181448431.

It is not a de Polignac number, because 134844181525 - 2¹⁹ = 134843657237 is a prime.

It is a super-2 number, since 2×134844181525² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 642871 + ... + 826420.

It is an arithmetic number, because the mean of its divisors is an integer number (13937703912).

Almost surely, 2^134844181525 is an apocalyptic number.

It is an amenable number.

134844181525 is a deficient number, since it is larger than the sum of its proper divisors (32408265419).

134844181525 is a wasteful number, since it uses less digits than its factorization.

134844181525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1472972 (or 1472967 counting only the distinct ones).

The product of its digits is 614400, while the sum is 46.

The spelling of 134844181525 in words is "one hundred thirty-four billion, eight hundred forty-four million, one hundred eighty-one thousand, five hundred twenty-five".