1267399148157 has 16 divisors (see below), whose sum is σ = 1878392040000. Its totient is φ = 844589112912.

The previous prime is 1267399148153. The next prime is 1267399148161. The reversal of 1267399148157 is 7518419937621.

1267399148157 is a `hidden beast` number, since 1 + 2 + 67 + 3 + 9 + 91 + 481 + 5 + 7 = 666.

It is an interprime number because it is at equal distance from previous prime (1267399148153) and next prime (1267399148161).

It is not a de Polignac number, because 1267399148157 - 2² = 1267399148153 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1267399148094 and 1267399148103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1267399148153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9478282 + ... + 9611067.

It is an arithmetic number, because the mean of its divisors is an integer number (117399502500).

Almost surely, 2^{1267399148157} is an apocalyptic number.

It is an amenable number.

1267399148157 is a deficient number, since it is larger than the sum of its proper divisors (610992891843).

1267399148157 is a wasteful number, since it uses less digits than its factorization.

1267399148157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19091817 (or 19091811 counting only the distinct ones).

The product of its digits is 22861440, while the sum is 63.

The spelling of 1267399148157 in words is "one trillion, two hundred sixty-seven billion, three hundred ninety-nine million, one hundred forty-eight thousand, one hundred fifty-seven".