1405742516 has 12 divisors (see below), whose sum is σ = 2460784032. Its totient is φ = 702661368.

The previous prime is 1405742509. The next prime is 1405742519. The reversal of 1405742516 is 6152475041.

It is a super-3 number, since 3×1405742516³ (a number of 28 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a hoax number, since the sum of its digits (35) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1405742519) 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, 36890 + ... + 64593.

It is an arithmetic number, because the mean of its divisors is an integer number (205065336).

Almost surely, 2^1405742516 is an apocalyptic number.

It is an amenable number.

1405742516 is a deficient number, since it is larger than the sum of its proper divisors (1055041516).

1405742516 is a wasteful number, since it uses less digits than its factorization.

1405742516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104950 (or 104948 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 35.

The square root of 1405742516 is about 37493.2329360913. The cubic root of 1405742516 is about 1120.2164005750.

The spelling of 1405742516 in words is "one billion, four hundred five million, seven hundred forty-two thousand, five hundred sixteen".