1357191948 has 24 divisors (see below), whose sum is σ = 3619178752. Its totient is φ = 387769104.

The previous prime is 1357191937. The next prime is 1357191949. The reversal of 1357191948 is 8491917531.

It is a junction number, because it is equal to n+sod(n) for n = 1357191897 and 1357191906.

It is not an unprimeable number, because it can be changed into a prime (1357191949) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8078440 + ... + 8078607.

Almost surely, 2^1357191948 is an apocalyptic number.

It is an amenable number.

1357191948 is an abundant number, since it is smaller than the sum of its proper divisors (2261986804).

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

1357191948 is a wasteful number, since it uses less digits than its factorization.

1357191948 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16157061 (or 16157059 counting only the distinct ones).

The product of its digits is 272160, while the sum is 48.

The square root of 1357191948 is about 36840.0861562510. The cubic root of 1357191948 is about 1107.1685941504.

The spelling of 1357191948 in words is "one billion, three hundred fifty-seven million, one hundred ninety-one thousand, nine hundred forty-eight".