133712455515 has 8 divisors (see below), whose sum is σ = 213939928848. Its totient is φ = 71313309600.

The previous prime is 133712455511. The next prime is 133712455543. The reversal of 133712455515 is 515554217331.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 133712455515 - 2² = 133712455511 is a prime.

It is not an unprimeable number, because it can be changed into a prime (133712455511) 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, 4457081836 + ... + 4457081865.

It is an arithmetic number, because the mean of its divisors is an integer number (26742491106).

Almost surely, 2^133712455515 is an apocalyptic number.

133712455515 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

133712455515 is a deficient number, since it is larger than the sum of its proper divisors (80227473333).

133712455515 is an equidigital number, since it uses as much as digits as its factorization.

133712455515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8914163709.

The product of its digits is 315000, while the sum is 42.

The spelling of 133712455515 in words is "one hundred thirty-three billion, seven hundred twelve million, four hundred fifty-five thousand, five hundred fifteen".