138746225443 has 8 divisors (see below), whose sum is σ = 158664948320. Its totient is φ = 118851960960.

The previous prime is 138746225413. The next prime is 138746225467. The reversal of 138746225443 is 344522647831.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 138746225443 - 2²¹ = 138744128291 is a prime.

It is a super-3 number, since 3×138746225443³ (a number of 34 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (138746225413) 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, 6102438 + ... + 6125131.

It is an arithmetic number, because the mean of its divisors is an integer number (19833118540).

Almost surely, 2^138746225443 is an apocalyptic number.

138746225443 is a deficient number, since it is larger than the sum of its proper divisors (19918722877).

138746225443 is a wasteful number, since it uses less digits than its factorization.

138746225443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12229197.

The product of its digits is 3870720, while the sum is 49.

The spelling of 138746225443 in words is "one hundred thirty-eight billion, seven hundred forty-six million, two hundred twenty-five thousand, four hundred forty-three".