1351345400 has 48 divisors (see below), whose sum is σ = 3146952600. Its totient is φ = 539665280.

The previous prime is 1351345319. The next prime is 1351345403. The reversal of 1351345400 is 45431531.

It is a super-2 number, since 2×1351345400² = 3652268780202320000, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1351345400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1351345403) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 126674 + ... + 136926.

Almost surely, 2^1351345400 is an apocalyptic number.

1351345400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1351345400 is an abundant number, since it is smaller than the sum of its proper divisors (1795607200).

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

1351345400 is a wasteful number, since it uses less digits than its factorization.

1351345400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10928 (or 10919 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 1351345400 is about 36760.6501574714. The cubic root of 1351345400 is about 1105.5764755442.

Adding to 1351345400 its reverse (45431531), we get a palindrome (1396776931).

The spelling of 1351345400 in words is "one billion, three hundred fifty-one million, three hundred forty-five thousand, four hundred".