133112256510 has 16 divisors (see below), whose sum is σ = 319469415696. Its totient is φ = 35496601728.

The previous prime is 133112256509. The next prime is 133112256533. The reversal of 133112256510 is 15652211331.

It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 4437075217 = 133112256510 / (1 + 3 + 3 + 1 + 1 + 2 + 2 + 5 + 6 + 5 + 1 + 0).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2218537579 + ... + 2218537638.

It is an arithmetic number, because the mean of its divisors is an integer number (19966838481).

Almost surely, 2^133112256510 is an apocalyptic number.

133112256510 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

133112256510 is an abundant number, since it is smaller than the sum of its proper divisors (186357159186).

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

133112256510 is a wasteful number, since it uses less digits than its factorization.

133112256510 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4437075227.

The product of its (nonzero) digits is 5400, while the sum is 30.

Adding to 133112256510 its reverse (15652211331), we get a palindrome (148764467841).

The spelling of 133112256510 in words is "one hundred thirty-three billion, one hundred twelve million, two hundred fifty-six thousand, five hundred ten".