140670533 has 4 divisors (see below), whose sum is σ = 143324748. Its totient is φ = 138016320.

The previous prime is 140670493. The next prime is 140670557. The reversal of 140670533 is 335076041.

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

It can be written as a sum of positive squares in 2 ways, for example, as 80964004 + 59706529 = 8998^2 + 7727^2 .

It is a cyclic number.

It is not a de Polignac number, because 140670533 - 2⁶ = 140670469 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 140670496 and 140670505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140670583) 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, 1327028 + ... + 1327133.

It is an arithmetic number, because the mean of its divisors is an integer number (35831187).

Almost surely, 2^140670533 is an apocalyptic number.

It is an amenable number.

140670533 is a deficient number, since it is larger than the sum of its proper divisors (2654215).

140670533 is an equidigital number, since it uses as much as digits as its factorization.

140670533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2654214.

The product of its (nonzero) digits is 7560, while the sum is 29.

The square root of 140670533 is about 11860.4609100996. The cubic root of 140670533 is about 520.0770756067.

The spelling of 140670533 in words is "one hundred forty million, six hundred seventy thousand, five hundred thirty-three".