1357402838 has 8 divisors (see below), whose sum is σ = 2221204680. Its totient is φ = 617001280.

The previous prime is 1357402829. The next prime is 1357402841. The reversal of 1357402838 is 8382047531.

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

It is a super-2 number, since 2×1357402838² = 3685084929220908488, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1357402795 and 1357402804.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30850043 + ... + 30850086.

It is an arithmetic number, because the mean of its divisors is an integer number (277650585).

Almost surely, 2^1357402838 is an apocalyptic number.

1357402838 is a deficient number, since it is larger than the sum of its proper divisors (863801842).

1357402838 is a wasteful number, since it uses less digits than its factorization.

1357402838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61700142.

The product of its (nonzero) digits is 161280, while the sum is 41.

The square root of 1357402838 is about 36842.9482805055. The cubic root of 1357402838 is about 1107.2259377198.

The spelling of 1357402838 in words is "one billion, three hundred fifty-seven million, four hundred two thousand, eight hundred thirty-eight".