1403640147 has 48 divisors (see below), whose sum is σ = 2324129280. Its totient is φ = 737807616.

The previous prime is 1403640059. The next prime is 1403640193. The reversal of 1403640147 is 7410463041.

It is not a de Polignac number, because 1403640147 - 2¹² = 1403636051 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1403640347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1451058 + ... + 1452024.

It is an arithmetic number, because the mean of its divisors is an integer number (48419360).

Almost surely, 2^1403640147 is an apocalyptic number.

1403640147 is a deficient number, since it is larger than the sum of its proper divisors (920489133).

1403640147 is a wasteful number, since it uses less digits than its factorization.

1403640147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1412 (or 1399 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 30.

The square root of 1403640147 is about 37465.1857996194. The cubic root of 1403640147 is about 1119.6576725362.

The spelling of 1403640147 in words is "one billion, four hundred three million, six hundred forty thousand, one hundred forty-seven".