1340060451 has 32 divisors (see below), whose sum is σ = 1850169600. Its totient is φ = 862371840.

The previous prime is 1340060429. The next prime is 1340060521. The reversal of 1340060451 is 1540600431.

It is not a de Polignac number, because 1340060451 - 2⁵ = 1340060419 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1340060251) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4048356 + ... + 4048686.

It is an arithmetic number, because the mean of its divisors is an integer number (57817800).

Almost surely, 2^1340060451 is an apocalyptic number.

1340060451 is a deficient number, since it is larger than the sum of its proper divisors (510109149).

1340060451 is a wasteful number, since it uses less digits than its factorization.

1340060451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 739.

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 1340060451 is about 36606.8361238717. The cubic root of 1340060451 is about 1102.4903497183.

Adding to 1340060451 its reverse (1540600431), we get a palindrome (2880660882).

The spelling of 1340060451 in words is "one billion, three hundred forty million, sixty thousand, four hundred fifty-one".