1377436542 has 8 divisors (see below), whose sum is σ = 2754873096. Its totient is φ = 459145512.

The previous prime is 1377436531. The next prime is 1377436549. The reversal of 1377436542 is 2456347731.

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

1377436542 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 1377436494 and 1377436503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1377436549) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 114786373 + ... + 114786384.

It is an arithmetic number, because the mean of its divisors is an integer number (344359137).

Almost surely, 2^1377436542 is an apocalyptic number.

1377436542 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1377436542 is a wasteful number, since it uses less digits than its factorization.

1377436542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 229572762.

The product of its digits is 423360, while the sum is 42.

The square root of 1377436542 is about 37113.8322192683. The cubic root of 1377436542 is about 1112.6464844693.

The spelling of 1377436542 in words is "one billion, three hundred seventy-seven million, four hundred thirty-six thousand, five hundred forty-two".