147738940 has 12 divisors (see below), whose sum is σ = 310251816. Its totient is φ = 59095568.

The previous prime is 147738937. The next prime is 147738947. The reversal of 147738940 is 49837741.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (147738947) 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 in 3 ways as a sum of consecutive naturals, for example, 3693454 + ... + 3693493.

It is an arithmetic number, because the mean of its divisors is an integer number (25854318).

Almost surely, 2^147738940 is an apocalyptic number.

147738940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

147738940 is an abundant number, since it is smaller than the sum of its proper divisors (162512876).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

147738940 is a wasteful number, since it uses less digits than its factorization.

147738940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7386956 (or 7386954 counting only the distinct ones).

The product of its (nonzero) digits is 169344, while the sum is 43.

The square root of 147738940 is about 12154.7908250204. The cubic root of 147738940 is about 528.6460516578.

The spelling of 147738940 in words is "one hundred forty-seven million, seven hundred thirty-eight thousand, nine hundred forty".