268940157 has 8 divisors (see below), whose sum is σ = 366216576. Its totient is φ = 175478592.

The previous prime is 268940149. The next prime is 268940167. The reversal of 268940157 is 751049862.

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

It is not a de Polignac number, because 268940157 - 2³ = 268940149 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (268940137) 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, 953548 + ... + 953829.

It is an arithmetic number, because the mean of its divisors is an integer number (45777072).

Almost surely, 2^268940157 is an apocalyptic number.

It is an amenable number.

268940157 is a deficient number, since it is larger than the sum of its proper divisors (97276419).

268940157 is a wasteful number, since it uses less digits than its factorization.

268940157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1907427.

The product of its (nonzero) digits is 120960, while the sum is 42.

The square root of 268940157 is about 16399.3950193292. The cubic root of 268940157 is about 645.4836082247.

The spelling of 268940157 in words is "two hundred sixty-eight million, nine hundred forty thousand, one hundred fifty-seven".