140152539 has 8 divisors (see below), whose sum is σ = 197862480. Its totient is φ = 87938816.

The previous prime is 140152499. The next prime is 140152583. The reversal of 140152539 is 935251041.

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 140152539 - 2¹² = 140148443 is a prime.

It is not an unprimeable number, because it can be changed into a prime (140152589) 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, 1373994 + ... + 1374095.

It is an arithmetic number, because the mean of its divisors is an integer number (24732810).

Almost surely, 2^140152539 is an apocalyptic number.

140152539 is a deficient number, since it is larger than the sum of its proper divisors (57709941).

140152539 is a wasteful number, since it uses less digits than its factorization.

140152539 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2748109.

The product of its (nonzero) digits is 5400, while the sum is 30.

The square root of 140152539 is about 11838.6037605792. The cubic root of 140152539 is about 519.4379269389.

The spelling of 140152539 in words is "one hundred forty million, one hundred fifty-two thousand, five hundred thirty-nine".