1357458738 has 128 divisors (see below), whose sum is σ = 3112473600. Its totient is φ = 392491008.

The previous prime is 1357458731. The next prime is 1357458749. The reversal of 1357458738 is 8378547531.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1357458731) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 8646156 + ... + 8646312.

It is an arithmetic number, because the mean of its divisors is an integer number (24316200).

Almost surely, 2^1357458738 is an apocalyptic number.

1357458738 is an abundant number, since it is smaller than the sum of its proper divisors (1755014862).

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

1357458738 is a wasteful number, since it uses less digits than its factorization.

1357458738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 324.

The product of its digits is 2822400, while the sum is 51.

The square root of 1357458738 is about 36843.7068981936. The cubic root of 1357458738 is about 1107.2411366175.

The spelling of 1357458738 in words is "one billion, three hundred fifty-seven million, four hundred fifty-eight thousand, seven hundred thirty-eight".