133257120740 has 12 divisors (see below), whose sum is σ = 279839953596. Its totient is φ = 53302848288.

The previous prime is 133257120721. The next prime is 133257120761. The reversal of 133257120740 is 47021752331.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 20987896384 + 112269224356 = 144872^2 + 335066^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 133257120740.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3331427999 + ... + 3331428038.

It is an arithmetic number, because the mean of its divisors is an integer number (23319996133).

Almost surely, 2^133257120740 is an apocalyptic number.

133257120740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

133257120740 is an abundant number, since it is smaller than the sum of its proper divisors (146582832856).

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

133257120740 is a wasteful number, since it uses less digits than its factorization.

133257120740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6662856046 (or 6662856044 counting only the distinct ones).

The product of its (nonzero) digits is 35280, while the sum is 35.

The spelling of 133257120740 in words is "one hundred thirty-three billion, two hundred fifty-seven million, one hundred twenty thousand, seven hundred forty".