1357448994 has 48 divisors (see below), whose sum is σ = 3319168320. Its totient is φ = 397162080.

The previous prime is 1357448993. The next prime is 1357449001. The reversal of 1357448994 is 4998447531.

1357448994 is a `hidden beast` number, since 1 + 3 + 5 + 74 + 489 + 94 = 666.

It is a super-2 number, since 2×1357448994² = 3685335542623224072, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1357448994.

It is not an unprimeable number, because it can be changed into a prime (1357448993) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 112462 + ... + 123945.

It is an arithmetic number, because the mean of its divisors is an integer number (69149340).

Almost surely, 2^1357448994 is an apocalyptic number.

1357448994 is an abundant number, since it is smaller than the sum of its proper divisors (1961719326).

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

1357448994 is a wasteful number, since it uses less digits than its factorization.

1357448994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 236455 (or 236452 counting only the distinct ones).

The product of its digits is 4354560, while the sum is 54.

The square root of 1357448994 is about 36843.5746637049. The cubic root of 1357448994 is about 1107.2384873083.

The spelling of 1357448994 in words is "one billion, three hundred fifty-seven million, four hundred forty-eight thousand, nine hundred ninety-four".