1074139406720 has 64 divisors (see below), whose sum is σ = 2579379949440. Its totient is φ = 427728998400.

The previous prime is 1074139406719. The next prime is 1074139406741. The reversal of 1074139406720 is 276049314701.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (64).

It is a super-3 number, since 3×1074139406720³ (a number of 37 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3620381 + ... + 3905820.

It is an arithmetic number, because the mean of its divisors is an integer number (40302811710).

Almost surely, 2^{1074139406720} is an apocalyptic number.

1074139406720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1074139406720 is an abundant number, since it is smaller than the sum of its proper divisors (1505240542720).

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

1074139406720 is an equidigital number, since it uses as much as digits as its factorization.

1074139406720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7526443 (or 7526431 counting only the distinct ones).

The product of its (nonzero) digits is 254016, while the sum is 44.

The spelling of 1074139406720 in words is "one trillion, seventy-four billion, one hundred thirty-nine million, four hundred six thousand, seven hundred twenty".