140686127892240 has 320 divisors, whose sum is σ = 524684118067200. Its totient is φ = 30463199649792.

The previous prime is 140686127892199. The next prime is 140686127892241. The reversal of 140686127892240 is 42298721686041.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (60).

It is not an unprimeable number, because it can be changed into a prime (140686127892241) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1033150399 + ... + 1033286561.

It is an arithmetic number, because the mean of its divisors is an integer number (1639637868960).

Almost surely, 2^{140686127892240} is an apocalyptic number.

140686127892240 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 140686127892240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (262342059033600).

140686127892240 is an abundant number, since it is smaller than the sum of its proper divisors (383997990174960).

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

140686127892240 is a wasteful number, since it uses less digits than its factorization.

140686127892240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168574 (or 168568 counting only the distinct ones).

The product of its (nonzero) digits is 18579456, while the sum is 60.

The spelling of 140686127892240 in words is "one hundred forty trillion, six hundred eighty-six billion, one hundred twenty-seven million, eight hundred ninety-two thousand, two hundred forty".