1403134645 has 8 divisors (see below), whose sum is σ = 1836830880. Its totient is φ = 1020461520.

The previous prime is 1403134643. The next prime is 1403134651. The reversal of 1403134645 is 5464313041.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1403134645 - 2¹ = 1403134643 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1403134643) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12755715 + ... + 12755824.

It is an arithmetic number, because the mean of its divisors is an integer number (229603860).

Almost surely, 2^1403134645 is an apocalyptic number.

It is an amenable number.

1403134645 is a deficient number, since it is larger than the sum of its proper divisors (433696235).

1403134645 is a wasteful number, since it uses less digits than its factorization.

1403134645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25511555.

The product of its (nonzero) digits is 17280, while the sum is 31.

The square root of 1403134645 is about 37458.4389023355. The cubic root of 1403134645 is about 1119.5232465458.

Adding to 1403134645 its reverse (5464313041), we get a palindrome (6867447686).

The spelling of 1403134645 in words is "one billion, four hundred three million, one hundred thirty-four thousand, six hundred forty-five".