1540018714 has 16 divisors (see below), whose sum is σ = 2511879552. Its totient is φ = 703875888.

The previous prime is 1540018691. The next prime is 1540018741. The reversal of 1540018714 is 4178100451.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 284854 + ... + 290209.

It is an arithmetic number, because the mean of its divisors is an integer number (156992472).

Almost surely, 2^1540018714 is an apocalyptic number.

1540018714 is a deficient number, since it is larger than the sum of its proper divisors (971860838).

1540018714 is a wasteful number, since it uses less digits than its factorization.

1540018714 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 575181.

The product of its (nonzero) digits is 4480, while the sum is 31.

The square root of 1540018714 is about 39243.0721784113. The cubic root of 1540018714 is about 1154.8050279639.

The spelling of 1540018714 in words is "one billion, five hundred forty million, eighteen thousand, seven hundred fourteen".