1268156614 has 16 divisors (see below), whose sum is σ = 1911068640. Its totient is φ = 631140160.

The previous prime is 1268156551. The next prime is 1268156621. The reversal of 1268156614 is 4166518621.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 741192 + ... + 742900.

It is an arithmetic number, because the mean of its divisors is an integer number (119441790).

Almost surely, 2^1268156614 is an apocalyptic number.

1268156614 is a deficient number, since it is larger than the sum of its proper divisors (642912026).

1268156614 is a wasteful number, since it uses less digits than its factorization.

1268156614 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3215.

The product of its digits is 69120, while the sum is 40.

The square root of 1268156614 is about 35611.1866412789. The cubic root of 1268156614 is about 1082.4079258608.

The spelling of 1268156614 in words is "one billion, two hundred sixty-eight million, one hundred fifty-six thousand, six hundred fourteen".