140962640 has 240 divisors, whose sum is σ = 434888832. Its totient is φ = 41361408.

The previous prime is 140962597. The next prime is 140962651. The reversal of 140962640 is 46269041.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 140962597 and 140962606.

It is a congruent number.

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 47 ways as a sum of consecutive naturals, for example, 2103887 + ... + 2103953.

Almost surely, 2^140962640 is an apocalyptic number.

140962640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 140962640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (217444416).

140962640 is an abundant number, since it is smaller than the sum of its proper divisors (293926192).

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

140962640 is a wasteful number, since it uses less digits than its factorization.

140962640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134 (or 111 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 32.

The square root of 140962640 is about 11872.7688430290. The cubic root of 140962640 is about 520.4368124515.

The spelling of 140962640 in words is "one hundred forty million, nine hundred sixty-two thousand, six hundred forty".