1370425221540 has 36 divisors (see below), whose sum is σ = 4156956505884. Its totient is φ = 365446725696.

The previous prime is 1370425221511. The next prime is 1370425221547. The reversal of 1370425221540 is 451225240731.

1370425221540 is a `hidden beast` number, since 1 + 3 + 7 + 0 + 42 + 52 + 21 + 540 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 184922360676 + 1185502860864 = 430026^2 + 1088808^2 .

It is a tau number, because it is divible by the number of its divisors (36).

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

It is a junction number, because it is equal to n+sod(n) for n = 1370425221495 and 1370425221504.

It is not an unprimeable number, because it can be changed into a prime (1370425221547) 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, 3806736547 + ... + 3806736906.

Almost surely, 2^{1370425221540} is an apocalyptic number.

1370425221540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1370425221540 is an abundant number, since it is smaller than the sum of its proper divisors (2786531284344).

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

1370425221540 is a wasteful number, since it uses less digits than its factorization.

1370425221540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7613473468 (or 7613473463 counting only the distinct ones).

The product of its (nonzero) digits is 67200, while the sum is 36.

The spelling of 1370425221540 in words is "one trillion, three hundred seventy billion, four hundred twenty-five million, two hundred twenty-one thousand, five hundred forty".