140262040 has 32 divisors (see below), whose sum is σ = 315938880. Its totient is φ = 56042752.

The previous prime is 140262037. The next prime is 140262071. The reversal of 140262040 is 40262041.

It is a junction number, because it is equal to n+sod(n) for n = 140261999 and 140262017.

It is a congruent 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, 56097 + ... + 58543.

It is an arithmetic number, because the mean of its divisors is an integer number (9873090).

Almost surely, 2^140262040 is an apocalyptic number.

140262040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

140262040 is an abundant number, since it is smaller than the sum of its proper divisors (175676840).

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

140262040 is a wasteful number, since it uses less digits than its factorization.

140262040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3891 (or 3887 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 140262040 is about 11843.2276006163. The cubic root of 140262040 is about 519.5731704531.

Subtracting from 140262040 its reverse (40262041), we obtain a palindrome (99999999).

The spelling of 140262040 in words is "one hundred forty million, two hundred sixty-two thousand, forty".