138357032521633 has 16 divisors (see below), whose sum is σ = 142910171679232. Its totient is φ = 133809536304000.

The previous prime is 138357032521627. The next prime is 138357032521667. The reversal of 138357032521633 is 336125230753831.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-138357032521633 is a prime.

It is a super-2 number, since 2×138357032521633² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (138357032521693) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 494803843 + ... + 495083383.

It is an arithmetic number, because the mean of its divisors is an integer number (8931885729952).

Almost surely, 2^{138357032521633} is an apocalyptic number.

It is an amenable number.

138357032521633 is a deficient number, since it is larger than the sum of its proper divisors (4553139157599).

138357032521633 is a wasteful number, since it uses less digits than its factorization.

138357032521633 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 289576.

The product of its (nonzero) digits is 8164800, while the sum is 52.

The spelling of 138357032521633 in words is "one hundred thirty-eight trillion, three hundred fifty-seven billion, thirty-two million, five hundred twenty-one thousand, six hundred thirty-three".