1353939810 has 64 divisors (see below), whose sum is σ = 3493324800. Its totient is φ = 334763712.

The previous prime is 1353939809. The next prime is 1353939859. The reversal of 1353939810 is 189393531.

It is a happy number.

1353939810 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×1353939810² = 3666306018205672200, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1521 + ... + 52059.

It is an arithmetic number, because the mean of its divisors is an integer number (54583200).

Almost surely, 2^1353939810 is an apocalyptic number.

1353939810 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1353939810, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1746662400).

1353939810 is an abundant number, since it is smaller than the sum of its proper divisors (2139384990).

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

1353939810 is a wasteful number, since it uses less digits than its factorization.

1353939810 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50615.

The product of its (nonzero) digits is 87480, while the sum is 42.

The square root of 1353939810 is about 36795.9211054704. The cubic root of 1353939810 is about 1106.2835449626.

The spelling of 1353939810 in words is "one billion, three hundred fifty-three million, nine hundred thirty-nine thousand, eight hundred ten".