3720105140 has 12 divisors (see below), whose sum is σ = 7812220836. Its totient is φ = 1488042048.

The previous prime is 3720105113. The next prime is 3720105143. The reversal of 3720105140 is 415010273.

It can be written as a sum of positive squares in 2 ways, for example, as 1025664676 + 2694440464 = 32026^2 + 51908^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3720105143) 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, 93002609 + ... + 93002648.

It is an arithmetic number, because the mean of its divisors is an integer number (651018403).

Almost surely, 2^3720105140 is an apocalyptic number.

It is an amenable number.

3720105140 is an abundant number, since it is smaller than the sum of its proper divisors (4092115696).

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

3720105140 is a wasteful number, since it uses less digits than its factorization.

3720105140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186005266 (or 186005264 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 23.

The square root of 3720105140 is about 60992.6646409222. The cubic root of 3720105140 is about 1549.4767765725.

The spelling of 3720105140 in words is "three billion, seven hundred twenty million, one hundred five thousand, one hundred forty".