140050778 has 16 divisors (see below), whose sum is σ = 244157760. Its totient is φ = 59004096.

The previous prime is 140050769. The next prime is 140050783. The reversal of 140050778 is 877050041.

It is a super-2 number, since 2×140050778² = 39228440836810568, which contains 22 as substring.

It is a Curzon number.

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, 83951 + ... + 85602.

It is an arithmetic number, because the mean of its divisors is an integer number (15259860).

Almost surely, 2^140050778 is an apocalyptic number.

140050778 is a deficient number, since it is larger than the sum of its proper divisors (104106982).

140050778 is a wasteful number, since it uses less digits than its factorization.

140050778 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169621.

The product of its (nonzero) digits is 7840, while the sum is 32.

The square root of 140050778 is about 11834.3051338049. The cubic root of 140050778 is about 519.3121798506.

The spelling of 140050778 in words is "one hundred forty million, fifty thousand, seven hundred seventy-eight".