1403274139 has 4 divisors (see below), whose sum is σ = 1403385480. Its totient is φ = 1403162800.

The previous prime is 1403274121. The next prime is 1403274151. The reversal of 1403274139 is 9314723041.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 9314723041 = 13 ⋅716517157.

It is a cyclic number.

It is not a de Polignac number, because 1403274139 - 2²⁵ = 1369719707 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1403274199) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33937 + ... + 62914.

It is an arithmetic number, because the mean of its divisors is an integer number (350846370).

Almost surely, 2^1403274139 is an apocalyptic number.

1403274139 is a deficient number, since it is larger than the sum of its proper divisors (111341).

1403274139 is an equidigital number, since it uses as much as digits as its factorization.

1403274139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111340.

The product of its (nonzero) digits is 18144, while the sum is 34.

The square root of 1403274139 is about 37460.3008396889. The cubic root of 1403274139 is about 1119.5603448151.

The spelling of 1403274139 in words is "one billion, four hundred three million, two hundred seventy-four thousand, one hundred thirty-nine".