1357156534 has 4 divisors (see below), whose sum is σ = 2035734804. Its totient is φ = 678578266.

The previous prime is 1357156523. The next prime is 1357156543. The reversal of 1357156534 is 4356517531.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4356517531 = 1553 ⋅2805227.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 339289132 + ... + 339289135.

It is an arithmetic number, because the mean of its divisors is an integer number (508933701).

Almost surely, 2^1357156534 is an apocalyptic number.

1357156534 is a deficient number, since it is larger than the sum of its proper divisors (678578270).

1357156534 is an equidigital number, since it uses as much as digits as its factorization.

1357156534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 678578269.

The product of its digits is 189000, while the sum is 40.

The square root of 1357156534 is about 36839.6055082027. The cubic root of 1357156534 is about 1107.1589640683.

The spelling of 1357156534 in words is "one billion, three hundred fifty-seven million, one hundred fifty-six thousand, five hundred thirty-four".