140776066 has 8 divisors (see below), whose sum is σ = 216075024. Its totient is φ = 68751060.

The previous prime is 140776061. The next prime is 140776081. The reversal of 140776066 is 660677041.

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

It is not an unprimeable number, because it can be changed into a prime (140776061) 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, 818380 + ... + 818551.

It is an arithmetic number, because the mean of its divisors is an integer number (27009378).

Almost surely, 2^140776066 is an apocalyptic number.

140776066 is a deficient number, since it is larger than the sum of its proper divisors (75298958).

140776066 is a wasteful number, since it uses less digits than its factorization.

140776066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1636976.

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

The square root of 140776066 is about 11864.9090177717. The cubic root of 140776066 is about 520.2070994606.

The spelling of 140776066 in words is "one hundred forty million, seven hundred seventy-six thousand, sixty-six".