1351230156720 has 160 divisors (see below), whose sum is σ = 4655363198400. Its totient is φ = 360240869376.

The previous prime is 1351230156709. The next prime is 1351230156791. The reversal of 1351230156720 is 276510321531.

1351230156720 is a `hidden beast` number, since 1 + 3 + 51 + 23 + 0 + 1 + 567 + 20 = 666.

It is a super-3 number, since 3×1351230156720³ (a number of 37 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Harshad number since it is a multiple of its sum of digits (36).

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, 9112936 + ... + 9260024.

It is an arithmetic number, because the mean of its divisors is an integer number (29096019990).

Almost surely, 2^{1351230156720} is an apocalyptic number.

1351230156720 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 1351230156720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2327681599200).

1351230156720 is an abundant number, since it is smaller than the sum of its proper divisors (3304133041680).

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

1351230156720 is a wasteful number, since it uses less digits than its factorization.

1351230156720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151364 (or 151352 counting only the distinct ones).

The product of its (nonzero) digits is 37800, while the sum is 36.

The spelling of 1351230156720 in words is "one trillion, three hundred fifty-one billion, two hundred thirty million, one hundred fifty-six thousand, seven hundred twenty".