140177640 has 64 divisors (see below), whose sum is σ = 438825600. Its totient is φ = 35754752.

The previous prime is 140177627. The next prime is 140177659. The reversal of 140177640 is 46771041.

It is a super-3 number, since 3×140177640³ (a number of 25 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 140177598 and 140177607.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22635 + ... + 28154.

It is an arithmetic number, because the mean of its divisors is an integer number (6856650).

Almost surely, 2^140177640 is an apocalyptic number.

140177640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

140177640 is an abundant number, since it is smaller than the sum of its proper divisors (298647960).

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

140177640 is a wasteful number, since it uses less digits than its factorization.

140177640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50826 (or 50822 counting only the distinct ones).

The product of its (nonzero) digits is 4704, while the sum is 30.

The square root of 140177640 is about 11839.6638465794. The cubic root of 140177640 is about 519.4689351370.

The spelling of 140177640 in words is "one hundred forty million, one hundred seventy-seven thousand, six hundred forty".