1396361051 has 4 divisors (see below), whose sum is σ = 1396799400. Its totient is φ = 1395922704.

The previous prime is 1396361033. The next prime is 1396361069. The reversal of 1396361051 is 1501636931.

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

It is an interprime number because it is at equal distance from previous prime (1396361033) and next prime (1396361069).

It is a cyclic number.

It is not a de Polignac number, because 1396361051 - 2²⁶ = 1329252187 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1396361651) 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, 214361 + ... + 220778.

It is an arithmetic number, because the mean of its divisors is an integer number (349199850).

Almost surely, 2^1396361051 is an apocalyptic number.

1396361051 is a deficient number, since it is larger than the sum of its proper divisors (438349).

1396361051 is an equidigital number, since it uses as much as digits as its factorization.

1396361051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 438348.

The product of its (nonzero) digits is 14580, while the sum is 35.

The square root of 1396361051 is about 37367.9147264067. The cubic root of 1396361051 is about 1117.7188506142.

Adding to 1396361051 its reverse (1501636931), we get a palindrome (2897997982).

The spelling of 1396361051 in words is "one billion, three hundred ninety-six million, three hundred sixty-one thousand, fifty-one".