1361457003 has 4 divisors (see below), whose sum is σ = 1815276008. Its totient is φ = 907638000.

The previous prime is 1361456981. The next prime is 1361457017. The reversal of 1361457003 is 3007541631.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 1361457003 - 2⁹ = 1361456491 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1361457043) 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, 226909498 + ... + 226909503.

It is an arithmetic number, because the mean of its divisors is an integer number (453819002).

Almost surely, 2^1361457003 is an apocalyptic number.

1361457003 is a deficient number, since it is larger than the sum of its proper divisors (453819005).

1361457003 is an equidigital number, since it uses as much as digits as its factorization.

1361457003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 453819004.

The product of its (nonzero) digits is 7560, while the sum is 30.

The square root of 1361457003 is about 36897.9268116787. The cubic root of 1361457003 is about 1108.3271620413.

Adding to 1361457003 its reverse (3007541631), we get a palindrome (4368998634).

The spelling of 1361457003 in words is "one billion, three hundred sixty-one million, four hundred fifty-seven thousand, three".