1392531773420 has 24 divisors (see below), whose sum is σ = 2925224750448. Its totient is φ = 556839752000.

The previous prime is 1392531773419. The next prime is 1392531773429. The reversal of 1392531773420 is 243771352931.

It is not an unprimeable number, because it can be changed into a prime (1392531773429) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10743806 + ... + 10872645.

It is an arithmetic number, because the mean of its divisors is an integer number (121884364602).

Almost surely, 2^{1392531773420} is an apocalyptic number.

1392531773420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1392531773420 is an abundant number, since it is smaller than the sum of its proper divisors (1532692977028).

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

1392531773420 is a wasteful number, since it uses less digits than its factorization.

1392531773420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21619681 (or 21619679 counting only the distinct ones).

The product of its (nonzero) digits is 952560, while the sum is 47.

The spelling of 1392531773420 in words is "one trillion, three hundred ninety-two billion, five hundred thirty-one million, seven hundred seventy-three thousand, four hundred twenty".