1370021516745 has 128 divisors (see below), whose sum is σ = 2720081710080. Its totient is φ = 574476779520.

The previous prime is 1370021516741. The next prime is 1370021516753. The reversal of 1370021516745 is 5476151200731.

It is not a de Polignac number, because 1370021516745 - 2² = 1370021516741 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1370021516697 and 1370021516706.

It is not an unprimeable number, because it can be changed into a prime (1370021516741) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 73834389 + ... + 73852941.

It is an arithmetic number, because the mean of its divisors is an integer number (21250638360).

Almost surely, 2^{1370021516745} is an apocalyptic number.

1370021516745 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1370021516745 is a deficient number, since it is larger than the sum of its proper divisors (1350060193335).

1370021516745 is a wasteful number, since it uses less digits than its factorization.

1370021516745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19635.

The product of its (nonzero) digits is 176400, while the sum is 42.

The spelling of 1370021516745 in words is "one trillion, three hundred seventy billion, twenty-one million, five hundred sixteen thousand, seven hundred forty-five".