140401756 has 12 divisors (see below), whose sum is σ = 268039800. Its totient is φ = 63818960.

The previous prime is 140401741. The next prime is 140401771. The reversal of 140401756 is 657104041.

140401756 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (140401741) and next prime (140401771).

It is a super-3 number, since 3×140401756³ (a number of 25 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1595431 + ... + 1595518.

It is an arithmetic number, because the mean of its divisors is an integer number (22336650).

Almost surely, 2^140401756 is an apocalyptic number.

It is an amenable number.

140401756 is a deficient number, since it is larger than the sum of its proper divisors (127638044).

140401756 is a wasteful number, since it uses less digits than its factorization.

140401756 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3190964 (or 3190962 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 28.

The square root of 140401756 is about 11849.1246934109. The cubic root of 140401756 is about 519.7456300272.

Adding to 140401756 its reverse (657104041), we get a palindrome (797505797).

The spelling of 140401756 in words is "one hundred forty million, four hundred one thousand, seven hundred fifty-six".