1357838207 has 8 divisors (see below), whose sum is σ = 1490714832. Its totient is φ = 1226534400.

The previous prime is 1357838197. The next prime is 1357838221. The reversal of 1357838207 is 7028387531.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1357838207 - 2⁴ = 1357838191 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1357838257) 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, 391394 + ... + 394847.

It is an arithmetic number, because the mean of its divisors is an integer number (186339354).

Almost surely, 2^1357838207 is an apocalyptic number.

1357838207 is a deficient number, since it is larger than the sum of its proper divisors (132876625).

1357838207 is a wasteful number, since it uses less digits than its factorization.

1357838207 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 786409.

The product of its (nonzero) digits is 282240, while the sum is 44.

The square root of 1357838207 is about 36848.8562509069. The cubic root of 1357838207 is about 1107.3443010894.

The spelling of 1357838207 in words is "one billion, three hundred fifty-seven million, eight hundred thirty-eight thousand, two hundred seven".