1340740134 has 16 divisors (see below), whose sum is σ = 2979422640. Its totient is φ = 446913360.

The previous prime is 1340740123. The next prime is 1340740147. The reversal of 1340740134 is 4310470431.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 1340740098 and 1340740107.

It is a congruent number.

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, 12414207 + ... + 12414314.

It is an arithmetic number, because the mean of its divisors is an integer number (186213915).

Almost surely, 2^1340740134 is an apocalyptic number.

1340740134 is an abundant number, since it is smaller than the sum of its proper divisors (1638682506).

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

1340740134 is a wasteful number, since it uses less digits than its factorization.

1340740134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24828532 (or 24828526 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 27.

The square root of 1340740134 is about 36616.1184999175. The cubic root of 1340740134 is about 1102.6767137722.

The spelling of 1340740134 in words is "one billion, three hundred forty million, seven hundred forty thousand, one hundred thirty-four".