140378040252 has 96 divisors (see below), whose sum is σ = 383887347200. Its totient is φ = 44238566016.

The previous prime is 140378040251. The next prime is 140378040317. The reversal of 140378040252 is 252040873041.

It is a happy number.

140378040252 is a `hidden beast` number, since 140 + 37 + 80 + 402 + 5 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140378040251) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 929088 + ... + 1069560.

Almost surely, 2^140378040252 is an apocalyptic number.

140378040252 is a gapful number since it is divisible by the number (12) 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 140378040252, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (191943673600).

140378040252 is an abundant number, since it is smaller than the sum of its proper divisors (243509306948).

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

140378040252 is a wasteful number, since it uses less digits than its factorization.

140378040252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140992 (or 140984 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 36.

The spelling of 140378040252 in words is "one hundred forty billion, three hundred seventy-eight million, forty thousand, two hundred fifty-two".