1345257130 has 64 divisors (see below), whose sum is σ = 2829219840. Its totient is φ = 450987264.

The previous prime is 1345257127. The next prime is 1345257131. The reversal of 1345257130 is 317525431.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1345257092 and 1345257101.

It is not an unprimeable number, because it can be changed into a prime (1345257131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1776712 + ... + 1777468.

It is an arithmetic number, because the mean of its divisors is an integer number (44206560).

Almost surely, 2^1345257130 is an apocalyptic number.

1345257130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1345257130 is an abundant number, since it is smaller than the sum of its proper divisors (1483962710).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1345257130 is a wasteful number, since it uses less digits than its factorization.

1345257130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1303.

The product of its (nonzero) digits is 12600, while the sum is 31.

The square root of 1345257130 is about 36677.7470682156. The cubic root of 1345257130 is about 1103.9136433231.

The spelling of 1345257130 in words is "one billion, three hundred forty-five million, two hundred fifty-seven thousand, one hundred thirty".