133776770 has 16 divisors (see below), whose sum is σ = 245342520. Its totient is φ = 52500864.

The previous prime is 133776761. The next prime is 133776781. The reversal of 133776770 is 77677331.

It can be written as a sum of positive squares in 4 ways, for example, as 91565761 + 42211009 = 9569^2 + 6497^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 125675 + ... + 126734.

Almost surely, 2^133776770 is an apocalyptic number.

133776770 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

133776770 is a deficient number, since it is larger than the sum of its proper divisors (111565750).

133776770 is a wasteful number, since it uses less digits than its factorization.

133776770 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 252469.

The product of its (nonzero) digits is 129654, while the sum is 41.

The square root of 133776770 is about 11566.1908163405. The cubic root of 133776770 is about 511.4386777367.

The spelling of 133776770 in words is "one hundred thirty-three million, seven hundred seventy-six thousand, seven hundred seventy".