139274230547 has 8 divisors (see below), whose sum is σ = 143023363392. Its totient is φ = 135557841600.

The previous prime is 139274230493. The next prime is 139274230591. The reversal of 139274230547 is 745032472931.

It is a happy number.

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 139274230547 - 2¹⁶ = 139274165011 is a prime.

It is a super-2 number, since 2×139274230547² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (47).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (139274230247) 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, 8177354 + ... + 8194367.

It is an arithmetic number, because the mean of its divisors is an integer number (17877920424).

Almost surely, 2^139274230547 is an apocalyptic number.

139274230547 is a deficient number, since it is larger than the sum of its proper divisors (3749132845).

139274230547 is a wasteful number, since it uses less digits than its factorization.

139274230547 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16371949.

The product of its (nonzero) digits is 1270080, while the sum is 47.

The spelling of 139274230547 in words is "one hundred thirty-nine billion, two hundred seventy-four million, two hundred thirty thousand, five hundred forty-seven".