1354125013 has 4 divisors (see below), whose sum is σ = 1354854508. Its totient is φ = 1353395520.

The previous prime is 1354124983. The next prime is 1354125077. The reversal of 1354125013 is 3105214531.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 182979729 + 1171145284 = 13527^2 + 34222^2 .

It is a cyclic number.

It is not a de Polignac number, because 1354125013 - 2⁹ = 1354124501 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 (1354120013) 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, 361956 + ... + 365677.

It is an arithmetic number, because the mean of its divisors is an integer number (338713627).

Almost surely, 2^1354125013 is an apocalyptic number.

It is an amenable number.

1354125013 is a deficient number, since it is larger than the sum of its proper divisors (729495).

1354125013 is an equidigital number, since it uses as much as digits as its factorization.

1354125013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 729494.

The product of its (nonzero) digits is 1800, while the sum is 25.

The square root of 1354125013 is about 36798.4376434652. The cubic root of 1354125013 is about 1106.3339848439. Note that the first 3 decimals are identical.

Adding to 1354125013 its reverse (3105214531), we get a palindrome (4459339544).

The spelling of 1354125013 in words is "one billion, three hundred fifty-four million, one hundred twenty-five thousand, thirteen".