1301135541 has 4 divisors (see below), whose sum is σ = 1734847392. Its totient is φ = 867423692.

The previous prime is 1301135519. The next prime is 1301135543. The reversal of 1301135541 is 1455311031.

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 1301135541 - 2⁷ = 1301135413 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1301135543) 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, 216855921 + ... + 216855926.

It is an arithmetic number, because the mean of its divisors is an integer number (433711848).

Almost surely, 2^1301135541 is an apocalyptic number.

It is an amenable number.

1301135541 is a deficient number, since it is larger than the sum of its proper divisors (433711851).

1301135541 is an equidigital number, since it uses as much as digits as its factorization.

1301135541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 433711850.

The product of its (nonzero) digits is 900, while the sum is 24.

The square root of 1301135541 is about 36071.2564377788. The cubic root of 1301135541 is about 1091.7105652905.

Adding to 1301135541 its reverse (1455311031), we get a palindrome (2756446572).

The spelling of 1301135541 in words is "one billion, three hundred one million, one hundred thirty-five thousand, five hundred forty-one".