139752533 has 8 divisors (see below), whose sum is σ = 142702560. Its totient is φ = 136822000.

The previous prime is 139752523. The next prime is 139752541. The reversal of 139752533 is 335257931.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 139752533 - 2⁶ = 139752469 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (139752523) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10091 + ... + 19527.

It is an arithmetic number, because the mean of its divisors is an integer number (17837820).

Almost surely, 2^139752533 is an apocalyptic number.

It is an amenable number.

139752533 is a deficient number, since it is larger than the sum of its proper divisors (2950027).

139752533 is an equidigital number, since it uses as much as digits as its factorization.

139752533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9747.

The product of its digits is 85050, while the sum is 38.

The square root of 139752533 is about 11821.6975515363. The cubic root of 139752533 is about 518.9432842812.

The spelling of 139752533 in words is "one hundred thirty-nine million, seven hundred fifty-two thousand, five hundred thirty-three".