147311738 has 12 divisors (see below), whose sum is σ = 257044122. Its totient is φ = 63133560.

The previous prime is 147311707. The next prime is 147311741. The reversal of 147311738 is 837113741.

147311738 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 145130209 + 2181529 = 12047^2 + 1477^2 .

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 147311698 and 147311707.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 751493 + ... + 751688.

Almost surely, 2^147311738 is an apocalyptic number.

147311738 is a deficient number, since it is larger than the sum of its proper divisors (109732384).

147311738 is a wasteful number, since it uses less digits than its factorization.

147311738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1503197 (or 1503190 counting only the distinct ones).

The product of its digits is 14112, while the sum is 35.

The square root of 147311738 is about 12137.2047028960. The cubic root of 147311738 is about 528.1360153299.

The spelling of 147311738 in words is "one hundred forty-seven million, three hundred eleven thousand, seven hundred thirty-eight".