1677420136 has 48 divisors (see below), whose sum is σ = 3662460900. Its totient is φ = 718147584.

The previous prime is 1677420133. The next prime is 1677420179. The reversal of 1677420136 is 6310247761.

It can be written as a sum of positive squares in 2 ways, for example, as 1642680900 + 34739236 = 40530^2 + 5894^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1677420095 and 1677420104.

It is not an unprimeable number, because it can be changed into a prime (1677420133) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 550810 + ... + 553846.

Almost surely, 2^1677420136 is an apocalyptic number.

It is an amenable number.

1677420136 is an abundant number, since it is smaller than the sum of its proper divisors (1985040764).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1677420136 is a wasteful number, since it uses less digits than its factorization.

1677420136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4466 (or 4455 counting only the distinct ones).

The product of its (nonzero) digits is 42336, while the sum is 37.

The square root of 1677420136 is about 40956.3198542057. The cubic root of 1677420136 is about 1188.1755664906.

Adding to 1677420136 its reverse (6310247761), we get a palindrome (7987667897).

The spelling of 1677420136 in words is "one billion, six hundred seventy-seven million, four hundred twenty thousand, one hundred thirty-six".