1300434140 has 48 divisors (see below), whose sum is σ = 2769282432. Its totient is φ = 512918016.

The previous prime is 1300434131. The next prime is 1300434151. The reversal of 1300434140 is 414340031.

It is a happy number.

It is a super-2 number, since 2×1300434140² = 3382257904955079200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 428669 + ... + 431691.

It is an arithmetic number, because the mean of its divisors is an integer number (57693384).

Almost surely, 2^1300434140 is an apocalyptic number.

1300434140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1300434140 is an abundant number, since it is smaller than the sum of its proper divisors (1468848292).

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

1300434140 is a wasteful number, since it uses less digits than its factorization.

1300434140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3326 (or 3324 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 1300434140 is about 36061.5326906664. The cubic root of 1300434140 is about 1091.5143611564.

Adding to 1300434140 its reverse (414340031), we get a palindrome (1714774171).

The spelling of 1300434140 in words is "one billion, three hundred million, four hundred thirty-four thousand, one hundred forty".