1312145151 has 8 divisors (see below), whose sum is σ = 1752176304. Its totient is φ = 873438720.

The previous prime is 1312145137. The next prime is 1312145183. The reversal of 1312145151 is 1515412131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1312145151 - 2¹¹ = 1312143103 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1312145551) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 328866 + ... + 332831.

It is an arithmetic number, because the mean of its divisors is an integer number (219022038).

Almost surely, 2^1312145151 is an apocalyptic number.

1312145151 is a deficient number, since it is larger than the sum of its proper divisors (440031153).

1312145151 is an equidigital number, since it uses as much as digits as its factorization.

1312145151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 662361.

The product of its digits is 600, while the sum is 24.

The square root of 1312145151 is about 36223.5441529401. The cubic root of 1312145151 is about 1094.7811050951.

Adding to 1312145151 its reverse (1515412131), we get a palindrome (2827557282).

The spelling of 1312145151 in words is "one billion, three hundred twelve million, one hundred forty-five thousand, one hundred fifty-one".