1363534157 has 4 divisors (see below), whose sum is σ = 1368966816. Its totient is φ = 1358101500.

The previous prime is 1363534097. The next prime is 1363534213. The reversal of 1363534157 is 7514353631.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 7514353631 = 467 ⋅16090693.

It is a cyclic number.

It is not a de Polignac number, because 1363534157 - 2¹⁴ = 1363517773 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1363534157.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1363534057) 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, 2715953 + ... + 2716454.

It is an arithmetic number, because the mean of its divisors is an integer number (342241704).

Almost surely, 2^1363534157 is an apocalyptic number.

It is an amenable number.

1363534157 is a deficient number, since it is larger than the sum of its proper divisors (5432659).

1363534157 is an equidigital number, since it uses as much as digits as its factorization.

1363534157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5432658.

The product of its digits is 113400, while the sum is 38.

The square root of 1363534157 is about 36926.0633834694. The cubic root of 1363534157 is about 1108.8905281975.

Adding to 1363534157 its reverse (7514353631), we get a palindrome (8877887788).

The spelling of 1363534157 in words is "one billion, three hundred sixty-three million, five hundred thirty-four thousand, one hundred fifty-seven".