140154552351040 has 28 divisors (see below), whose sum is σ = 333743027786676. Its totient is φ = 56061820940288.

The previous prime is 140154552351031. The next prime is 140154552351049. The reversal of 140154552351040 is 40153255451041.

It is an interprime number because it is at equal distance from previous prime (140154552351031) and next prime (140154552351049).

It can be written as a sum of positive squares in 2 ways, for example, as 110232864665856 + 29921687685184 = 10499184^2 + 5470072^2 .

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a junction number, because it is equal to n+sod(n) for n = 140154552350984 and 140154552351002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140154552351049) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 218991487729 + ... + 218991488368.

Almost surely, 2^{140154552351040} is an apocalyptic number.

140154552351040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

140154552351040 is an abundant number, since it is smaller than the sum of its proper divisors (193588475435636).

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

140154552351040 is an equidigital number, since it uses as much as digits as its factorization.

140154552351040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 437982976114 (or 437982976104 counting only the distinct ones).

The product of its (nonzero) digits is 240000, while the sum is 40.

The spelling of 140154552351040 in words is "one hundred forty trillion, one hundred fifty-four billion, five hundred fifty-two million, three hundred fifty-one thousand, forty".