140133507 has 4 divisors (see below), whose sum is σ = 186844680. Its totient is φ = 93422336.

The previous prime is 140133479. The next prime is 140133509. The reversal of 140133507 is 705331041.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 140133507 - 2¹⁰ = 140132483 is a prime.

It is not an unprimeable number, because it can be changed into a prime (140133509) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23355582 + ... + 23355587.

It is an arithmetic number, because the mean of its divisors is an integer number (46711170).

Almost surely, 2^140133507 is an apocalyptic number.

140133507 is a deficient number, since it is larger than the sum of its proper divisors (46711173).

140133507 is an equidigital number, since it uses as much as digits as its factorization.

140133507 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46711172.

The product of its (nonzero) digits is 1260, while the sum is 24.

The square root of 140133507 is about 11837.7999222829. The cubic root of 140133507 is about 519.4144135341.

Adding to 140133507 its reverse (705331041), we get a palindrome (845464548).

The spelling of 140133507 in words is "one hundred forty million, one hundred thirty-three thousand, five hundred seven".