1302023135 has 16 divisors (see below), whose sum is σ = 1789510656. Its totient is φ = 890876448.

The previous prime is 1302023131. The next prime is 1302023153. The reversal of 1302023135 is 5313202031.

It is not a de Polignac number, because 1302023135 - 2² = 1302023131 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 (1302023131) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23969 + ... + 56378.

It is an arithmetic number, because the mean of its divisors is an integer number (111844416).

Almost surely, 2^1302023135 is an apocalyptic number.

1302023135 is a deficient number, since it is larger than the sum of its proper divisors (487487521).

1302023135 is an equidigital number, since it uses as much as digits as its factorization.

1302023135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80822.

The product of its (nonzero) digits is 540, while the sum is 20.

The square root of 1302023135 is about 36083.5576821355. The cubic root of 1302023135 is about 1091.9587524729.

Adding to 1302023135 its reverse (5313202031), we get a palindrome (6615225166).

The spelling of 1302023135 in words is "one billion, three hundred two million, twenty-three thousand, one hundred thirty-five".