140197533 has 16 divisors (see below), whose sum is σ = 214204416. Its totient is φ = 79899120.

The previous prime is 140197493. The next prime is 140197537. The reversal of 140197533 is 335791041.

It is not a de Polignac number, because 140197533 - 2⁹ = 140197021 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 140197494 and 140197503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140197537) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 673 + ... + 16758.

It is an arithmetic number, because the mean of its divisors is an integer number (13387776).

Almost surely, 2^140197533 is an apocalyptic number.

It is an amenable number.

140197533 is a deficient number, since it is larger than the sum of its proper divisors (74006883).

140197533 is a wasteful number, since it uses less digits than its factorization.

140197533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17824.

The product of its (nonzero) digits is 11340, while the sum is 33.

The square root of 140197533 is about 11840.5039166414. The cubic root of 140197533 is about 519.4935070700.

The spelling of 140197533 in words is "one hundred forty million, one hundred ninety-seven thousand, five hundred thirty-three".