278067145132 has 24 divisors (see below), whose sum is σ = 556563148064. Its totient is φ = 119079735552.

The previous prime is 278067145127. The next prime is 278067145133. The reversal of 278067145132 is 231541760872.

It is not an unprimeable number, because it can be changed into a prime (278067145133) 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, 3792123 + ... + 3864754.

Almost surely, 2^278067145132 is an apocalyptic number.

It is an amenable number.

278067145132 is an abundant number, since it is smaller than the sum of its proper divisors (278496002932).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

278067145132 is a wasteful number, since it uses less digits than its factorization.

278067145132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7658185 (or 7658183 counting only the distinct ones).

The product of its (nonzero) digits is 564480, while the sum is 46.

The spelling of 278067145132 in words is "two hundred seventy-eight billion, sixty-seven million, one hundred forty-five thousand, one hundred thirty-two".