1358148940 has 36 divisors (see below), whose sum is σ = 2891944944. Its totient is φ = 535775616.

The previous prime is 1358148917. The next prime is 1358148941. The reversal of 1358148940 is 498418531.

It is not an unprimeable number, because it can be changed into a prime (1358148941) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 100209 + ... + 112951.

It is an arithmetic number, because the mean of its divisors is an integer number (80331804).

Almost surely, 2^1358148940 is an apocalyptic number.

1358148940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1358148940 is an abundant number, since it is smaller than the sum of its proper divisors (1533796004).

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

1358148940 is a wasteful number, since it uses less digits than its factorization.

1358148940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12898 (or 12823 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 43.

The square root of 1358148940 is about 36853.0723278263. The cubic root of 1358148940 is about 1107.4287643121.

The spelling of 1358148940 in words is "one billion, three hundred fifty-eight million, one hundred forty-eight thousand, nine hundred forty".