135394344738554 has 16 divisors (see below), whose sum is σ = 229194188586720. Its totient is φ = 59420715558960.

The previous prime is 135394344738551. The next prime is 135394344738571. The reversal of 135394344738554 is 455837443493531.

It is a super-2 number, since 2×135394344738554² (a number of 29 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (135394344738551) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 106108420004 + ... + 106108421279.

It is an arithmetic number, because the mean of its divisors is an integer number (14324636786670).

Almost surely, 2^{135394344738554} is an apocalyptic number.

135394344738554 is a deficient number, since it is larger than the sum of its proper divisors (93799843848166).

135394344738554 is a wasteful number, since it uses less digits than its factorization.

135394344738554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 212216841325.

The product of its digits is 1306368000, while the sum is 68.

The spelling of 135394344738554 in words is "one hundred thirty-five trillion, three hundred ninety-four billion, three hundred forty-four million, seven hundred thirty-eight thousand, five hundred fifty-four".