1399099461 has 8 divisors (see below), whose sum is σ = 1929792480. Its totient is φ = 900569712.

The previous prime is 1399099451. The next prime is 1399099607. The reversal of 1399099461 is 1649909931.

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

It is not a de Polignac number, because 1399099461 - 2¹³ = 1399091269 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1399099441) 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, 8040715 + ... + 8040888.

It is an arithmetic number, because the mean of its divisors is an integer number (241224060).

Almost surely, 2^1399099461 is an apocalyptic number.

It is an amenable number.

1399099461 is a deficient number, since it is larger than the sum of its proper divisors (530693019).

1399099461 is a wasteful number, since it uses less digits than its factorization.

1399099461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16081635.

The product of its (nonzero) digits is 472392, while the sum is 51.

The square root of 1399099461 is about 37404.5379733529. The cubic root of 1399099461 is about 1118.4490280090.

The spelling of 1399099461 in words is "one billion, three hundred ninety-nine million, ninety-nine thousand, four hundred sixty-one".