139762849 has 8 divisors (see below), whose sum is σ = 144426240. Its totient is φ = 135109200.

The previous prime is 139762829. The next prime is 139762853. The reversal of 139762849 is 948267931.

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 139762849 - 2¹⁵ = 139730081 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (139762829) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37239 + ... + 40819.

It is an arithmetic number, because the mean of its divisors is an integer number (18053280).

Almost surely, 2^139762849 is an apocalyptic number.

It is an amenable number.

139762849 is a deficient number, since it is larger than the sum of its proper divisors (4663391).

139762849 is a wasteful number, since it uses less digits than its factorization.

139762849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4871.

The product of its digits is 653184, while the sum is 49.

The square root of 139762849 is about 11822.1338598410. The cubic root of 139762849 is about 518.9560527730.

It can be divided in two parts, 1397 and 62849, that added together give a palindrome (64246).

The spelling of 139762849 in words is "one hundred thirty-nine million, seven hundred sixty-two thousand, eight hundred forty-nine".