138950033534 has 16 divisors (see below), whose sum is σ = 224535347568. Its totient is φ = 64108612992.

The previous prime is 138950033533. The next prime is 138950033683. The reversal of 138950033534 is 435330059831.

It is a super-2 number, since 2×138950033534² (a number of 23 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (138950033533) 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, 847052 + ... + 997695.

It is an arithmetic number, because the mean of its divisors is an integer number (14033459223).

Almost surely, 2^138950033534 is an apocalyptic number.

138950033534 is a deficient number, since it is larger than the sum of its proper divisors (85585314034).

138950033534 is a wasteful number, since it uses less digits than its factorization.

138950033534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1847659.

The product of its (nonzero) digits is 583200, while the sum is 44.

The spelling of 138950033534 in words is "one hundred thirty-eight billion, nine hundred fifty million, thirty-three thousand, five hundred thirty-four".