1356371053 has 4 divisors (see below), whose sum is σ = 1369539808. Its totient is φ = 1343202300.

The previous prime is 1356371047. The next prime is 1356371063. The reversal of 1356371053 is 3501736531.

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.

It is a cyclic number.

It is not a de Polignac number, because 1356371053 - 2⁵ = 1356371021 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 (1356371033) 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, 6584223 + ... + 6584428.

It is an arithmetic number, because the mean of its divisors is an integer number (342384952).

Almost surely, 2^1356371053 is an apocalyptic number.

It is an amenable number.

1356371053 is a deficient number, since it is larger than the sum of its proper divisors (13168755).

1356371053 is a wasteful number, since it uses less digits than its factorization.

1356371053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13168754.

The product of its (nonzero) digits is 28350, while the sum is 34.

The square root of 1356371053 is about 36828.9431425883. The cubic root of 1356371053 is about 1106.9453261819.

The spelling of 1356371053 in words is "one billion, three hundred fifty-six million, three hundred seventy-one thousand, fifty-three".