138048730435 has 64 divisors (see below), whose sum is σ = 218903731200. Its totient is φ = 80912977920.

The previous prime is 138048730433. The next prime is 138048730529. The reversal of 138048730435 is 534037840831.

It is a happy number.

It is not a de Polignac number, because 138048730435 - 2¹ = 138048730433 is a prime.

It is a Smith number, since the sum of its digits (46) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (138048730433) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 6855652 + ... + 6875758.

It is an arithmetic number, because the mean of its divisors is an integer number (3420370800).

Almost surely, 2^138048730435 is an apocalyptic number.

138048730435 is a deficient number, since it is larger than the sum of its proper divisors (80855000765).

138048730435 is a wasteful number, since it uses less digits than its factorization.

138048730435 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21196.

The product of its (nonzero) digits is 967680, while the sum is 46.

The spelling of 138048730435 in words is "one hundred thirty-eight billion, forty-eight million, seven hundred thirty thousand, four hundred thirty-five".