1403140049 has 2 divisors, whose sum is σ = 1403140050. Its totient is φ = 1403140048.

The previous prime is 1403139961. The next prime is 1403140051. The reversal of 1403140049 is 9400413041.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1359249424 + 43890625 = 36868^2 + 6625^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1403140049 is a prime.

Together with 1403140051, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1403140099) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 701570024 + 701570025.

It is an arithmetic number, because the mean of its divisors is an integer number (701570025).

Almost surely, 2^1403140049 is an apocalyptic number.

It is an amenable number.

1403140049 is a deficient number, since it is larger than the sum of its proper divisors (1).

1403140049 is an equidigital number, since it uses as much as digits as its factorization.

1403140049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 1403140049 is about 37458.5110355444. The cubic root of 1403140049 is about 1119.5246837791.

The spelling of 1403140049 in words is "one billion, four hundred three million, one hundred forty thousand, forty-nine".