1400137775 has 24 divisors (see below), whose sum is σ = 1755874224. Its totient is φ = 1107475200.

The previous prime is 1400137771. The next prime is 1400137787. The reversal of 1400137775 is 5777310041.

It is not a de Polignac number, because 1400137775 - 2² = 1400137771 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1400137771) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 913760 + ... + 915290.

It is an arithmetic number, because the mean of its divisors is an integer number (73161426).

Almost surely, 2^1400137775 is an apocalyptic number.

1400137775 is a deficient number, since it is larger than the sum of its proper divisors (355736449).

1400137775 is a wasteful number, since it uses less digits than its factorization.

1400137775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1931 (or 1926 counting only the distinct ones).

The product of its (nonzero) digits is 20580, while the sum is 35.

The square root of 1400137775 is about 37418.4149183260. The cubic root of 1400137775 is about 1118.7256378703.

The spelling of 1400137775 in words is "one billion, four hundred million, one hundred thirty-seven thousand, seven hundred seventy-five".