1399677158 has 8 divisors (see below), whose sum is σ = 2290380840. Its totient is φ = 636216880.

The previous prime is 1399677157. The next prime is 1399677179. The reversal of 1399677158 is 8517769931.

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

It is a super-2 number, since 2×1399677158² = 3918192293253913928, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1399677157) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31810823 + ... + 31810866.

It is an arithmetic number, because the mean of its divisors is an integer number (286297605).

Almost surely, 2^1399677158 is an apocalyptic number.

1399677158 is a deficient number, since it is larger than the sum of its proper divisors (890703682).

1399677158 is a wasteful number, since it uses less digits than its factorization.

1399677158 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63621702.

The product of its digits is 2857680, while the sum is 56.

The square root of 1399677158 is about 37412.2594613049. The cubic root of 1399677158 is about 1118.6029450480.

The spelling of 1399677158 in words is "one billion, three hundred ninety-nine million, six hundred seventy-seven thousand, one hundred fifty-eight".