1340715471 has 16 divisors (see below), whose sum is σ = 1873729536. Its totient is φ = 851105376.

The previous prime is 1340715451. The next prime is 1340715527. The reversal of 1340715471 is 1745170431.

It is a happy number.

It is not a de Polignac number, because 1340715471 - 2¹⁹ = 1340191183 is a prime.

It is a super-3 number, since 3×1340715471³ (a number of 28 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1340715451) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28180 + ... + 58953.

It is an arithmetic number, because the mean of its divisors is an integer number (117108096).

Almost surely, 2^1340715471 is an apocalyptic number.

1340715471 is a deficient number, since it is larger than the sum of its proper divisors (533014065).

1340715471 is a wasteful number, since it uses less digits than its factorization.

1340715471 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87382.

The product of its (nonzero) digits is 11760, while the sum is 33.

The square root of 1340715471 is about 36615.7817204549. The cubic root of 1340715471 is about 1102.6699524613.

The spelling of 1340715471 in words is "one billion, three hundred forty million, seven hundred fifteen thousand, four hundred seventy-one".