1356264940 has 24 divisors (see below), whose sum is σ = 2849463792. Its totient is φ = 542256960.

The previous prime is 1356264929. The next prime is 1356264941. The reversal of 1356264940 is 494626531.

It is a junction number, because it is equal to n+sod(n) for n = 1356264893 and 1356264902.

It is not an unprimeable number, because it can be changed into a prime (1356264941) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32755 + ... + 61525.

It is an arithmetic number, because the mean of its divisors is an integer number (118727658).

Almost surely, 2^1356264940 is an apocalyptic number.

1356264940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1356264940 is an abundant number, since it is smaller than the sum of its proper divisors (1493198852).

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

1356264940 is a wasteful number, since it uses less digits than its factorization.

1356264940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31137 (or 31135 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 40.

The square root of 1356264940 is about 36827.5024947389. The cubic root of 1356264940 is about 1106.9164588715.

The spelling of 1356264940 in words is "one billion, three hundred fifty-six million, two hundred sixty-four thousand, nine hundred forty".