275140150138 has 48 divisors (see below), whose sum is σ = 514588193280. Its totient is φ = 107981358336.

The previous prime is 275140150093. The next prime is 275140150163. The reversal of 275140150138 is 831051041572.

It is a super-2 number, since 2×275140150138² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a junction number, because it is equal to n+sod(n) for n = 275140150097 and 275140150106.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 769258 + ... + 1068661.

It is an arithmetic number, because the mean of its divisors is an integer number (10720587360).

Almost surely, 2^275140150138 is an apocalyptic number.

275140150138 is a deficient number, since it is larger than the sum of its proper divisors (239448043142).

275140150138 is a wasteful number, since it uses less digits than its factorization.

275140150138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1837999 (or 1837982 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 37.

The spelling of 275140150138 in words is "two hundred seventy-five billion, one hundred forty million, one hundred fifty thousand, one hundred thirty-eight".