140777394 has 16 divisors (see below), whose sum is σ = 281696160. Its totient is φ = 46902240.

The previous prime is 140777389. The next prime is 140777419. The reversal of 140777394 is 493777041.

It is a super-2 number, since 2×140777394² = 39636549322862472, 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, 10614 + ... + 19854.

It is an arithmetic number, because the mean of its divisors is an integer number (17606010).

Almost surely, 2^140777394 is an apocalyptic number.

140777394 is an abundant number, since it is smaller than the sum of its proper divisors (140918766).

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

140777394 is a wasteful number, since it uses less digits than its factorization.

140777394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11785.

The product of its (nonzero) digits is 148176, while the sum is 42.

The square root of 140777394 is about 11864.9649809850. The cubic root of 140777394 is about 520.2087352331.

The spelling of 140777394 in words is "one hundred forty million, seven hundred seventy-seven thousand, three hundred ninety-four".