1357286894520 has 128 divisors (see below), whose sum is σ = 4313021774400. Its totient is φ = 340522827776.

The previous prime is 1357286894507. The next prime is 1357286894539. The reversal of 1357286894520 is 254986827531.

It is a Harshad number since it is a multiple of its sum of digits (60).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5295076 + ... + 5545484.

It is a 1-persistent number, because it is pandigital, but 2⋅1357286894520 = 2714573789040 is not.

Almost surely, 2^{1357286894520} is an apocalyptic number.

1357286894520 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 1357286894520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2156510887200).

1357286894520 is an abundant number, since it is smaller than the sum of its proper divisors (2955734879880).

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

1357286894520 is a wasteful number, since it uses less digits than its factorization.

1357286894520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 253097 (or 253093 counting only the distinct ones).

The product of its (nonzero) digits is 29030400, while the sum is 60.

The spelling of 1357286894520 in words is "one trillion, three hundred fifty-seven billion, two hundred eighty-six million, eight hundred ninety-four thousand, five hundred twenty".