33140131450 has 12 divisors (see below), whose sum is σ = 61640644590. Its totient is φ = 13256052560.

The previous prime is 33140131441. The next prime is 33140131457. The reversal of 33140131450 is 5413104133.

It can be written as a sum of positive squares in 3 ways, for example, as 19771453321 + 13368678129 = 140611^2 + 115623^2 .

It is a Harshad number since it is a multiple of its sum of digits (25).

It is not an unprimeable number, because it can be changed into a prime (33140131457) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 331401265 + ... + 331401364.

Almost surely, 2^33140131450 is an apocalyptic number.

33140131450 is a deficient number, since it is larger than the sum of its proper divisors (28500513140).

33140131450 is a wasteful number, since it uses less digits than its factorization.

33140131450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 662802641 (or 662802636 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 25.

Adding to 33140131450 its reverse (5413104133), we get a palindrome (38553235583).

The spelling of 33140131450 in words is "thirty-three billion, one hundred forty million, one hundred thirty-one thousand, four hundred fifty".