1351972160 has 112 divisors (see below), whose sum is σ = 4013850240. Its totient is φ = 421386240.

The previous prime is 1351972147. The next prime is 1351972169. The reversal of 1351972160 is 612791531.

It is a tau number, because it is divible by the number of its divisors (112).

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a self number, because there is not a number n which added to its sum of digits gives 1351972160.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1351972169) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2795 + ... + 52074.

Almost surely, 2^1351972160 is an apocalyptic number.

1351972160 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1351972160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2006925120).

1351972160 is an abundant number, since it is smaller than the sum of its proper divisors (2661878080).

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

1351972160 is a wasteful number, since it uses less digits than its factorization.

1351972160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54904 (or 54894 counting only the distinct ones).

The product of its (nonzero) digits is 11340, while the sum is 35.

The square root of 1351972160 is about 36769.1740456595. The cubic root of 1351972160 is about 1105.7473728863.

The spelling of 1351972160 in words is "one billion, three hundred fifty-one million, nine hundred seventy-two thousand, one hundred sixty".