125739840000 has 400 divisors, whose sum is σ = 421162159968. Its totient is φ = 33325056000.

The previous prime is 125739839993. The next prime is 125739840049. The reversal of 125739840000 is 48937521.

It is a tau number, because it is divible by the number of its divisors (400).

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 217919712 + ... + 217920288.

Almost surely, 2^125739840000 is an apocalyptic number.

125739840000 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 125739840000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (210581079984).

125739840000 is an abundant number, since it is smaller than the sum of its proper divisors (295422319968).

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

125739840000 is an frugal number, since it uses more digits than its factorization.

125739840000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 845 (or 814 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 39.

The spelling of 125739840000 in words is "one hundred twenty-five billion, seven hundred thirty-nine million, eight hundred forty thousand".