138573573425 has 144 divisors (see below), whose sum is σ = 213049363968. Its totient is φ = 87524236800.

The previous prime is 138573573409. The next prime is 138573573431. The reversal of 138573573425 is 524375375831.

It is not a de Polignac number, because 138573573425 - 2⁴ = 138573573409 is a prime.

It is a super-3 number, since 3×138573573425³ (a number of 34 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (53).

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 299294744 + ... + 299295206.

It is an arithmetic number, because the mean of its divisors is an integer number (1479509472).

Almost surely, 2^138573573425 is an apocalyptic number.

It is an amenable number.

138573573425 is a deficient number, since it is larger than the sum of its proper divisors (74475790543).

138573573425 is a wasteful number, since it uses less digits than its factorization.

138573573425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 640 (or 612 counting only the distinct ones).

The product of its digits is 10584000, while the sum is 53.

The spelling of 138573573425 in words is "one hundred thirty-eight billion, five hundred seventy-three million, five hundred seventy-three thousand, four hundred twenty-five".