1399860149 has 8 divisors (see below), whose sum is σ = 1447975680. Its totient is φ = 1351929600.

The previous prime is 1399860107. The next prime is 1399860151. The reversal of 1399860149 is 9410689931.

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 1399860149 - 2⁸ = 1399859893 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1399860097 and 1399860106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1399860179) 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, 30764 + ... + 61205.

It is an arithmetic number, because the mean of its divisors is an integer number (180996960).

Almost surely, 2^1399860149 is an apocalyptic number.

It is an amenable number.

1399860149 is a deficient number, since it is larger than the sum of its proper divisors (48115531).

1399860149 is an equidigital number, since it uses as much as digits as its factorization.

1399860149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92491.

The product of its (nonzero) digits is 419904, while the sum is 50.

The square root of 1399860149 is about 37414.7049834687. The cubic root of 1399860149 is about 1118.6516908964.

It can be divided in two parts, 13998 and 60149, that added together give a palindrome (74147).

The spelling of 1399860149 in words is "one billion, three hundred ninety-nine million, eight hundred sixty thousand, one hundred forty-nine".