1351145401 has 4 divisors (see below), whose sum is σ = 1366326900. Its totient is φ = 1335963904.

The previous prime is 1351145399. The next prime is 1351145413. The reversal of 1351145401 is 1045411531.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1045411531 = 2111 ⋅495221.

It can be written as a sum of positive squares in 2 ways, for example, as 312759225 + 1038386176 = 17685^2 + 32224^2 .

It is a cyclic number.

It is not a de Polignac number, because 1351145401 - 2¹ = 1351145399 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1351145491) 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, 7590616 + ... + 7590793.

It is an arithmetic number, because the mean of its divisors is an integer number (341581725).

Almost surely, 2^1351145401 is an apocalyptic number.

It is an amenable number.

1351145401 is a deficient number, since it is larger than the sum of its proper divisors (15181499).

1351145401 is an equidigital number, since it uses as much as digits as its factorization.

1351145401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15181498.

The product of its (nonzero) digits is 1200, while the sum is 25.

The square root of 1351145401 is about 36757.9297703230. The cubic root of 1351145401 is about 1105.5219311130.

Adding to 1351145401 its reverse (1045411531), we get a palindrome (2396556932).

The spelling of 1351145401 in words is "one billion, three hundred fifty-one million, one hundred forty-five thousand, four hundred one".