147740407393 has 4 divisors (see below), whose sum is σ = 147746255508. Its totient is φ = 147734559280.

The previous prime is 147740407363. The next prime is 147740407429. The reversal of 147740407393 is 393704047741.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 73675873489 + 74064533904 = 271433^2 + 272148^2 .

It is a cyclic number.

It is not a de Polignac number, because 147740407393 - 2²⁵ = 147706852961 is a prime.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (147740407313) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2885998 + ... + 2936743.

It is an arithmetic number, because the mean of its divisors is an integer number (36936563877).

Almost surely, 2^147740407393 is an apocalyptic number.

It is an amenable number.

147740407393 is a deficient number, since it is larger than the sum of its proper divisors (5848115).

147740407393 is an equidigital number, since it uses as much as digits as its factorization.

147740407393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5848114.

The product of its (nonzero) digits is 1778112, while the sum is 49.

The spelling of 147740407393 in words is "one hundred forty-seven billion, seven hundred forty million, four hundred seven thousand, three hundred ninety-three".