1403148857 has 8 divisors (see below), whose sum is σ = 1563276672. Its totient is φ = 1248449200.

The previous prime is 1403148853. The next prime is 1403148869. The reversal of 1403148857 is 7588413041.

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

It is a cyclic number.

It is not a de Polignac number, because 1403148857 - 2² = 1403148853 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1403148853) 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, 1356494 + ... + 1357527.

It is an arithmetic number, because the mean of its divisors is an integer number (195409584).

Almost surely, 2^1403148857 is an apocalyptic number.

It is an amenable number.

1403148857 is a deficient number, since it is larger than the sum of its proper divisors (160127815).

1403148857 is a wasteful number, since it uses less digits than its factorization.

1403148857 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2714079.

The product of its (nonzero) digits is 107520, while the sum is 41.

The square root of 1403148857 is about 37458.6286054362. The cubic root of 1403148857 is about 1119.5270263234.

The spelling of 1403148857 in words is "one billion, four hundred three million, one hundred forty-eight thousand, eight hundred fifty-seven".