147738938 has 4 divisors (see below), whose sum is σ = 221608410. Its totient is φ = 73869468.

The previous prime is 147738937. The next prime is 147738947. The reversal of 147738938 is 839837741.

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

It can be written as a sum of positive squares in only one way, i.e., 108638929 + 39100009 = 10423^2 + 6253^2 .

It is not an unprimeable number, because it can be changed into a prime (147738937) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36934733 + ... + 36934736.

Almost surely, 2^147738938 is an apocalyptic number.

147738938 is a deficient number, since it is larger than the sum of its proper divisors (73869472).

147738938 is an equidigital number, since it uses as much as digits as its factorization.

147738938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73869471.

The product of its digits is 1016064, while the sum is 50.

The square root of 147738938 is about 12154.7907427483. The cubic root of 147738938 is about 528.6460492723.

The spelling of 147738938 in words is "one hundred forty-seven million, seven hundred thirty-eight thousand, nine hundred thirty-eight".