1361455351 has 4 divisors (see below), whose sum is σ = 1361587552. Its totient is φ = 1361323152.

The previous prime is 1361455349. The next prime is 1361455357. The reversal of 1361455351 is 1535541631.

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

It is a cyclic number.

It is not a de Polignac number, because 1361455351 - 2¹ = 1361455349 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1361455357) 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, 49215 + ... + 71728.

It is an arithmetic number, because the mean of its divisors is an integer number (340396888).

Almost surely, 2^1361455351 is an apocalyptic number.

1361455351 is a deficient number, since it is larger than the sum of its proper divisors (132201).

1361455351 is a wasteful number, since it uses less digits than its factorization.

1361455351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132200.

The product of its digits is 27000, while the sum is 34.

The square root of 1361455351 is about 36897.9044255904. The cubic root of 1361455351 is about 1108.3267137575.

Adding to 1361455351 its reverse (1535541631), we get a palindrome (2896996982).

The spelling of 1361455351 in words is "one billion, three hundred sixty-one million, four hundred fifty-five thousand, three hundred fifty-one".