133251955338 has 16 divisors (see below), whose sum is σ = 282180611520. Its totient is φ = 41804534976.

The previous prime is 133251955337. The next prime is 133251955351. The reversal of 133251955338 is 833559152331.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (133251955337) 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, 653195758 + ... + 653195961.

It is an arithmetic number, because the mean of its divisors is an integer number (17636288220).

Almost surely, 2^133251955338 is an apocalyptic number.

133251955338 is an abundant number, since it is smaller than the sum of its proper divisors (148928656182).

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

133251955338 is a wasteful number, since it uses less digits than its factorization.

133251955338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1306391741.

The product of its digits is 1458000, while the sum is 48.

The spelling of 133251955338 in words is "one hundred thirty-three billion, two hundred fifty-one million, nine hundred fifty-five thousand, three hundred thirty-eight".