140406077 has 8 divisors (see below), whose sum is σ = 169903296. Its totient is φ = 113268672.

The previous prime is 140406073. The next prime is 140406107. The reversal of 140406077 is 770604041.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 140406077 - 2² = 140406073 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140406073) 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, 589823 + ... + 590060.

It is an arithmetic number, because the mean of its divisors is an integer number (21237912).

Almost surely, 2^140406077 is an apocalyptic number.

140406077 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

140406077 is a deficient number, since it is larger than the sum of its proper divisors (29497219).

140406077 is a wasteful number, since it uses less digits than its factorization.

140406077 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1179907.

The product of its (nonzero) digits is 4704, while the sum is 29.

The square root of 140406077 is about 11849.3070261514. The cubic root of 140406077 is about 519.7509618642.

The spelling of 140406077 in words is "one hundred forty million, four hundred six thousand, seventy-seven".