1136428777 has 8 divisors (see below), whose sum is σ = 1242868032. Its totient is φ = 1030510800.

The previous prime is 1136428763. The next prime is 1136428789. The reversal of 1136428777 is 7778246311.

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

It is not a de Polignac number, because 1136428777 - 2⁷ = 1136428649 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1136428717) 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, 125749 + ... + 134482.

It is an arithmetic number, because the mean of its divisors is an integer number (155358504).

Almost surely, 2^1136428777 is an apocalyptic number.

It is an amenable number.

1136428777 is a deficient number, since it is larger than the sum of its proper divisors (106439255).

1136428777 is a wasteful number, since it uses less digits than its factorization.

1136428777 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 260639.

The product of its digits is 395136, while the sum is 46.

The square root of 1136428777 is about 33710.9593010938. The cubic root of 1136428777 is about 1043.5519505568.

The spelling of 1136428777 in words is "one billion, one hundred thirty-six million, four hundred twenty-eight thousand, seven hundred seventy-seven".