1357049678 has 16 divisors (see below), whose sum is σ = 2071440000. Its totient is φ = 666584952.

The previous prime is 1357049677. The next prime is 1357049713. The reversal of 1357049678 is 8769407531.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1357049677) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 244943 + ... + 250421.

It is an arithmetic number, because the mean of its divisors is an integer number (129465000).

Almost surely, 2^1357049678 is an apocalyptic number.

1357049678 is a deficient number, since it is larger than the sum of its proper divisors (714390322).

1357049678 is a wasteful number, since it uses less digits than its factorization.

1357049678 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7639.

The product of its (nonzero) digits is 1270080, while the sum is 50.

The square root of 1357049678 is about 36838.1551926803. The cubic root of 1357049678 is about 1107.1299058425.

The spelling of 1357049678 in words is "one billion, three hundred fifty-seven million, forty-nine thousand, six hundred seventy-eight".