1301804135 has 4 divisors (see below), whose sum is σ = 1562164968. Its totient is φ = 1041443304.

The previous prime is 1301804131. The next prime is 1301804149. The reversal of 1301804135 is 5314081031.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5314081031 = 7 ⋅759154433.

It is a cyclic number.

It is not a de Polignac number, because 1301804135 - 2² = 1301804131 is a prime.

It is a super-3 number, since 3×1301804135³ (a number of 28 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1301804131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 130180409 + ... + 130180418.

It is an arithmetic number, because the mean of its divisors is an integer number (390541242).

Almost surely, 2^1301804135 is an apocalyptic number.

1301804135 is a deficient number, since it is larger than the sum of its proper divisors (260360833).

1301804135 is an equidigital number, since it uses as much as digits as its factorization.

1301804135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 260360832.

The product of its (nonzero) digits is 1440, while the sum is 26.

The square root of 1301804135 is about 36080.5229313545. The cubic root of 1301804135 is about 1091.8975266341.

Adding to 1301804135 its reverse (5314081031), we get a palindrome (6615885166).

The spelling of 1301804135 in words is "one billion, three hundred one million, eight hundred four thousand, one hundred thirty-five".